./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg --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 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:25:00,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:25:00,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:25:00,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:25:00,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:25:00,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:25:00,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:25:00,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:25:00,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:25:00,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:25:00,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:25:00,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:25:00,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:25:00,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:25:00,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:25:00,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:25:00,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:25:00,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:25:00,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:25:00,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:25:00,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:25:00,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:25:00,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:25:00,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:25:00,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:25:00,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:25:00,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:25:00,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:25:00,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:25:00,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:25:00,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:25:00,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:25:00,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:25:00,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:25:00,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:25:00,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:25:00,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:25:00,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:25:00,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:25:00,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:25:00,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:25:00,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:25:00,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:25:00,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:25:00,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:25:00,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:25:00,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:25:00,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:25:00,252 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:25:00,252 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:25:00,252 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:25:00,253 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:25:00,254 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:25:00,254 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:25:00,254 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:25:00,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:25:00,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:25:00,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:25:00,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:25:00,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:25:00,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:25:00,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:25:00,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:25:00,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:25:00,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:25:00,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:25:00,257 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:25:00,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:25:00,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:25:00,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:25:00,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:25:00,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:25:00,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:25:00,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:25:00,262 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:25:00,262 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 [2021-10-28 09:25:00,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:25:00,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:25:00,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:25:00,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:25:00,578 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:25:00,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-28 09:25:00,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/data/885fea9db/9b89f02ae7e94e20a26eb544ed16444d/FLAGe75b0efe8 [2021-10-28 09:25:01,166 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:25:01,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-28 09:25:01,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/data/885fea9db/9b89f02ae7e94e20a26eb544ed16444d/FLAGe75b0efe8 [2021-10-28 09:25:01,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/data/885fea9db/9b89f02ae7e94e20a26eb544ed16444d [2021-10-28 09:25:01,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:25:01,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:25:01,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:01,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:25:01,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:25:01,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354efeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01, skipping insertion in model container [2021-10-28 09:25:01,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:25:01,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:25:01,739 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-10-28 09:25:01,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:01,813 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:25:01,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-10-28 09:25:01,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:25:01,895 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:25:01,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01 WrapperNode [2021-10-28 09:25:01,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:25:01,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:25:01,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:25:01,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:25:01,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:25:01,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:25:01,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:25:01,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:25:01,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:01,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:02,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:02,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:02,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:25:02,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:25:02,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:25:02,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:25:02,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (1/1) ... [2021-10-28 09:25:02,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:02,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:02,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:02,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:25:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:25:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:25:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:25:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:25:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-10-28 09:25:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:25:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:25:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:25:02,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:25:02,395 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 09:25:02,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:02 BoogieIcfgContainer [2021-10-28 09:25:02,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:25:02,398 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:25:02,398 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:25:02,401 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:25:02,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:25:02,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:25:01" (1/3) ... [2021-10-28 09:25:02,404 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63b6c277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:25:02, skipping insertion in model container [2021-10-28 09:25:02,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:25:02,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:25:01" (2/3) ... [2021-10-28 09:25:02,404 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63b6c277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:25:02, skipping insertion in model container [2021-10-28 09:25:02,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:25:02,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:02" (3/3) ... [2021-10-28 09:25:02,406 INFO L389 chiAutomizerObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-28 09:25:02,451 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:25:02,451 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:25:02,451 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:25:02,451 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:25:02,451 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:25:02,452 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:25:02,452 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:25:02,452 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:25:02,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:02,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-10-28 09:25:02,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:02,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:02,534 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:25:02,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:25:02,542 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:25:02,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:02,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-10-28 09:25:02,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:02,561 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:02,562 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:25:02,562 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:25:02,568 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 11#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 37#L90-3true [2021-10-28 09:25:02,568 INFO L793 eck$LassoCheckResult]: Loop: 37#L90-3true assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 34#L90-2true main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 37#L90-3true [2021-10-28 09:25:02,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:02,574 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:25:02,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:02,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042974445] [2021-10-28 09:25:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:02,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:02,721 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:02,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:02,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:02,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-28 09:25:02,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:02,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042286877] [2021-10-28 09:25:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:02,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:02,804 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:02,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:02,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:02,828 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-28 09:25:02,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:02,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432552719] [2021-10-28 09:25:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:02,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:02,872 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:02,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:03,451 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:25:03,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:25:03,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:25:03,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:25:03,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:25:03,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:03,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:25:03,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:25:03,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2021-10-28 09:25:03,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:25:03,453 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:25:03,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:03,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:03,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:03,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:03,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:03,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:03,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:03,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:25:03,850 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:25:03,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:03,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:03,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:25:03,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:03,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:03,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:03,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:03,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:03,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:03,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:03,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:03,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:03,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:03,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:03,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:03,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:03,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:03,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:03,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:03,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:03,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:03,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:25:04,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:04,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:04,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:04,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:04,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:04,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:04,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:04,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:04,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:04,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:04,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:04,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:04,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:25:04,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:04,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:04,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:04,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:04,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:04,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:04,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:04,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:04,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:04,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:04,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:25:04,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:04,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:04,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:04,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:04,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:04,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:04,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:04,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:04,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:04,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:04,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:04,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:04,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:04,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:04,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:04,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:25:04,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:04,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:04,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:04,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:04,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:25:04,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:04,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:04,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:04,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:04,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:04,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:04,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:04,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:04,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:04,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:04,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:04,338 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:04,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:04,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:04,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:04,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:04,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:04,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:04,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:04,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:25:04,377 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:25:04,438 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-28 09:25:04,438 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 09:25:04,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:04,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:04,473 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:04,541 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:25:04,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:25:04,566 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:25:04,567 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:25:04,567 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1, ULTIMATE.start_main_~i~1) = 15*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 - 2*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-10-28 09:25:04,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:04,626 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 09:25:04,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:04,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:25:04,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:04,707 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:25:04,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:04,784 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 [2021-10-28 09:25:04,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:04,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 153 transitions. Complement of second has 8 states. [2021-10-28 09:25:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:25:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2021-10-28 09:25:04,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 09:25:04,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:04,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:25:04,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:04,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 09:25:04,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:04,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 153 transitions. [2021-10-28 09:25:04,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:04,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 32 states and 43 transitions. [2021-10-28 09:25:04,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-28 09:25:04,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:04,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2021-10-28 09:25:04,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:04,913 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-28 09:25:04,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2021-10-28 09:25:04,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-28 09:25:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-10-28 09:25:04,947 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-28 09:25:04,947 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-28 09:25:04,947 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:25:04,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-10-28 09:25:04,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:04,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:04,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:04,952 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:04,952 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:04,952 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 216#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 217#L90-3 assume !(main_~i~1 < 8); 227#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 228#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 222#L63-4 [2021-10-28 09:25:04,954 INFO L793 eck$LassoCheckResult]: Loop: 222#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 207#L66 assume !parse_expression_list_#t~switch7; 208#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 223#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 224#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 222#L63-4 [2021-10-28 09:25:04,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-10-28 09:25:04,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:04,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851780905] [2021-10-28 09:25:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:04,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:04,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:05,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:05,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851780905] [2021-10-28 09:25:05,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851780905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:05,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:05,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:25:05,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388931432] [2021-10-28 09:25:05,035 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:05,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:05,036 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 1 times [2021-10-28 09:25:05,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:05,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364635084] [2021-10-28 09:25:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,043 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:05,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:05,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:25:05,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:25:05,110 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:05,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:05,122 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-10-28 09:25:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:25:05,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2021-10-28 09:25:05,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:05,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2021-10-28 09:25:05,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:05,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:05,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2021-10-28 09:25:05,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:05,131 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-28 09:25:05,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2021-10-28 09:25:05,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-10-28 09:25:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-10-28 09:25:05,146 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-28 09:25:05,146 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-28 09:25:05,146 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:25:05,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-10-28 09:25:05,147 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:05,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:05,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:05,148 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:05,148 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:05,148 INFO L791 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 287#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 288#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 308#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 309#L90-3 assume !(main_~i~1 < 8); 298#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 299#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 293#L63-4 [2021-10-28 09:25:05,149 INFO L793 eck$LassoCheckResult]: Loop: 293#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 278#L66 assume !parse_expression_list_#t~switch7; 279#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 294#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 295#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 293#L63-4 [2021-10-28 09:25:05,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:05,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669544, now seen corresponding path program 1 times [2021-10-28 09:25:05,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:05,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179058837] [2021-10-28 09:25:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:05,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:05,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179058837] [2021-10-28 09:25:05,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179058837] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:05,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090699334] [2021-10-28 09:25:05,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:05,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:05,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:05,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 09:25:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:05,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:25:05,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:05,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090699334] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:05,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:05,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-28 09:25:05,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292850819] [2021-10-28 09:25:05,292 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:05,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:05,292 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 2 times [2021-10-28 09:25:05,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:05,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004171081] [2021-10-28 09:25:05,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,299 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:05,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:05,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:25:05,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:25:05,364 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:05,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:05,391 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2021-10-28 09:25:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:25:05,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2021-10-28 09:25:05,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:05,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 45 transitions. [2021-10-28 09:25:05,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:05,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:05,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2021-10-28 09:25:05,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:05,398 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-10-28 09:25:05,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2021-10-28 09:25:05,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-10-28 09:25:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-10-28 09:25:05,401 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-10-28 09:25:05,401 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-10-28 09:25:05,401 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:25:05,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-10-28 09:25:05,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:05,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:05,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:05,403 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-28 09:25:05,403 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:05,403 INFO L791 eck$LassoCheckResult]: Stem: 396#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 380#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 381#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 401#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 402#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 403#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 404#L90-3 assume !(main_~i~1 < 8); 389#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 390#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 386#L63-4 [2021-10-28 09:25:05,403 INFO L793 eck$LassoCheckResult]: Loop: 386#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 371#L66 assume !parse_expression_list_#t~switch7; 372#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 387#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 388#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 386#L63-4 [2021-10-28 09:25:05,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:05,404 INFO L85 PathProgramCache]: Analyzing trace with hash -367607194, now seen corresponding path program 2 times [2021-10-28 09:25:05,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:05,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148681539] [2021-10-28 09:25:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:05,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:05,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148681539] [2021-10-28 09:25:05,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148681539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:05,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953425465] [2021-10-28 09:25:05,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:25:05,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:05,481 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:05,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 09:25:05,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:25:05,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:25:05,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:25:05,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:05,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953425465] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:05,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:05,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-28 09:25:05,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180561127] [2021-10-28 09:25:05,601 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:05,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:05,601 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 3 times [2021-10-28 09:25:05,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:05,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823340156] [2021-10-28 09:25:05,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,607 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,626 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:05,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:05,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:25:05,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:25:05,698 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:05,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:05,717 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-10-28 09:25:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:25:05,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-10-28 09:25:05,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:05,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 47 transitions. [2021-10-28 09:25:05,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:05,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:05,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2021-10-28 09:25:05,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:05,723 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2021-10-28 09:25:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2021-10-28 09:25:05,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2021-10-28 09:25:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-10-28 09:25:05,726 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-10-28 09:25:05,726 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-10-28 09:25:05,726 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:25:05,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-10-28 09:25:05,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:05,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:05,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:05,728 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2021-10-28 09:25:05,728 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:05,728 INFO L791 eck$LassoCheckResult]: Stem: 501#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 484#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 485#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 505#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 506#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 507#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 510#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 509#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 508#L90-3 assume !(main_~i~1 < 8); 495#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 496#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 490#L63-4 [2021-10-28 09:25:05,728 INFO L793 eck$LassoCheckResult]: Loop: 490#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 475#L66 assume !parse_expression_list_#t~switch7; 476#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 491#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 492#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 490#L63-4 [2021-10-28 09:25:05,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:05,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1081479260, now seen corresponding path program 3 times [2021-10-28 09:25:05,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:05,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316835344] [2021-10-28 09:25:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:05,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:05,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316835344] [2021-10-28 09:25:05,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316835344] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:05,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114882496] [2021-10-28 09:25:05,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 09:25:05,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:05,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:05,786 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:05,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-28 09:25:05,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-28 09:25:05,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:25:05,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:25:05,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:05,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114882496] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:05,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:05,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-28 09:25:05,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130903218] [2021-10-28 09:25:05,908 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:05,909 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 4 times [2021-10-28 09:25:05,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:05,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579615369] [2021-10-28 09:25:05,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:05,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,919 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:05,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:05,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:05,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:25:06,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:25:06,000 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:06,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:06,023 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-10-28 09:25:06,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:25:06,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-10-28 09:25:06,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:06,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-10-28 09:25:06,026 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:06,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:06,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-10-28 09:25:06,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:06,029 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-28 09:25:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-10-28 09:25:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-10-28 09:25:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-10-28 09:25:06,034 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-28 09:25:06,034 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-28 09:25:06,034 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:25:06,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-10-28 09:25:06,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:06,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:06,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:06,036 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2021-10-28 09:25:06,036 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:06,036 INFO L791 eck$LassoCheckResult]: Stem: 615#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 599#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 600#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 622#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 623#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 620#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 621#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 627#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 626#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 625#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 624#L90-3 assume !(main_~i~1 < 8); 610#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 611#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 605#L63-4 [2021-10-28 09:25:06,036 INFO L793 eck$LassoCheckResult]: Loop: 605#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 590#L66 assume !parse_expression_list_#t~switch7; 591#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 606#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 607#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 605#L63-4 [2021-10-28 09:25:06,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:06,037 INFO L85 PathProgramCache]: Analyzing trace with hash 82232674, now seen corresponding path program 4 times [2021-10-28 09:25:06,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:06,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759637093] [2021-10-28 09:25:06,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:06,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:06,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:06,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759637093] [2021-10-28 09:25:06,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759637093] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:06,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272177619] [2021-10-28 09:25:06,140 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 09:25:06,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:06,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:06,146 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:06,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-28 09:25:06,213 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 09:25:06,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:25:06,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:25:06,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:06,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272177619] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:06,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:06,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-28 09:25:06,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850879941] [2021-10-28 09:25:06,279 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:06,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:06,279 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 5 times [2021-10-28 09:25:06,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:06,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855394374] [2021-10-28 09:25:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:06,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:06,284 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:06,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:06,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:06,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:25:06,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:25:06,347 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:06,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:06,374 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-10-28 09:25:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:25:06,375 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-10-28 09:25:06,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:06,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-10-28 09:25:06,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:06,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:06,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-10-28 09:25:06,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:06,380 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-10-28 09:25:06,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-10-28 09:25:06,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-10-28 09:25:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-10-28 09:25:06,394 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 09:25:06,394 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 09:25:06,395 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:25:06,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-10-28 09:25:06,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:06,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:06,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:06,396 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1] [2021-10-28 09:25:06,396 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:06,396 INFO L791 eck$LassoCheckResult]: Stem: 741#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 725#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 726#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 748#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 749#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 746#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 747#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 755#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 754#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 753#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 752#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 751#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 750#L90-3 assume !(main_~i~1 < 8); 736#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 737#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 731#L63-4 [2021-10-28 09:25:06,396 INFO L793 eck$LassoCheckResult]: Loop: 731#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 716#L66 assume !parse_expression_list_#t~switch7; 717#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 732#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 733#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 731#L63-4 [2021-10-28 09:25:06,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:06,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1717904288, now seen corresponding path program 5 times [2021-10-28 09:25:06,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:06,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250382854] [2021-10-28 09:25:06,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:06,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:06,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:06,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250382854] [2021-10-28 09:25:06,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250382854] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:06,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490755655] [2021-10-28 09:25:06,486 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 09:25:06,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:06,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:06,493 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:06,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-28 09:25:06,573 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-28 09:25:06,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:25:06,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:25:06,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:06,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490755655] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:06,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:06,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-28 09:25:06,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027392458] [2021-10-28 09:25:06,645 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:06,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:06,645 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 6 times [2021-10-28 09:25:06,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:06,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869366135] [2021-10-28 09:25:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:06,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:06,650 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:06,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:06,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:25:06,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:25:06,729 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. cyclomatic complexity: 12 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:06,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:06,763 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2021-10-28 09:25:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:25:06,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2021-10-28 09:25:06,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:06,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 53 transitions. [2021-10-28 09:25:06,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:06,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:06,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2021-10-28 09:25:06,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:06,772 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-10-28 09:25:06,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2021-10-28 09:25:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-28 09:25:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 41 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2021-10-28 09:25:06,777 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-10-28 09:25:06,777 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-10-28 09:25:06,778 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:25:06,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 52 transitions. [2021-10-28 09:25:06,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:06,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:06,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:06,779 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 1, 1, 1, 1, 1] [2021-10-28 09:25:06,780 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:06,780 INFO L791 eck$LassoCheckResult]: Stem: 879#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 862#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 863#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 885#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 886#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 883#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 884#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 894#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 893#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 892#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 891#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 890#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 889#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 888#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 887#L90-3 assume !(main_~i~1 < 8); 873#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 874#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 868#L63-4 [2021-10-28 09:25:06,780 INFO L793 eck$LassoCheckResult]: Loop: 868#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 853#L66 assume !parse_expression_list_#t~switch7; 854#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 869#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 870#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 868#L63-4 [2021-10-28 09:25:06,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:06,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1640295006, now seen corresponding path program 6 times [2021-10-28 09:25:06,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:06,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602598123] [2021-10-28 09:25:06,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:06,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:06,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:06,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602598123] [2021-10-28 09:25:06,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602598123] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:06,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142904675] [2021-10-28 09:25:06,868 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-28 09:25:06,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:06,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:06,870 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:06,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-28 09:25:06,983 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-28 09:25:06,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:25:06,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:25:06,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:07,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142904675] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:07,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:07,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-28 09:25:07,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408009220] [2021-10-28 09:25:07,056 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:07,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:07,057 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 7 times [2021-10-28 09:25:07,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:07,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767777671] [2021-10-28 09:25:07,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:07,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,064 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:07,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:07,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:25:07,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:25:07,139 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. cyclomatic complexity: 12 Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:07,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:07,174 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-10-28 09:25:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:25:07,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-10-28 09:25:07,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:07,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-10-28 09:25:07,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:07,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:07,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-10-28 09:25:07,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:07,177 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-10-28 09:25:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-10-28 09:25:07,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-10-28 09:25:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 43 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2021-10-28 09:25:07,191 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-10-28 09:25:07,191 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-10-28 09:25:07,191 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:25:07,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 54 transitions. [2021-10-28 09:25:07,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:07,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:07,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:07,194 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1] [2021-10-28 09:25:07,194 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:07,194 INFO L791 eck$LassoCheckResult]: Stem: 1027#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1010#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1011#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1033#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1034#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1031#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1032#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1044#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1043#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1042#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1041#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1040#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1039#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1038#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1037#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1036#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1035#L90-3 assume !(main_~i~1 < 8); 1019#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 1020#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1016#L63-4 [2021-10-28 09:25:07,195 INFO L793 eck$LassoCheckResult]: Loop: 1016#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1001#L66 assume !parse_expression_list_#t~switch7; 1002#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1017#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1018#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1016#L63-4 [2021-10-28 09:25:07,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:07,197 INFO L85 PathProgramCache]: Analyzing trace with hash 72219036, now seen corresponding path program 7 times [2021-10-28 09:25:07,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:07,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487991810] [2021-10-28 09:25:07,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:07,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:07,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:07,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487991810] [2021-10-28 09:25:07,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487991810] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:07,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721863991] [2021-10-28 09:25:07,307 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-28 09:25:07,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:07,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:07,313 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:07,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-28 09:25:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:07,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:25:07,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:07,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721863991] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:07,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:07,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-28 09:25:07,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312175701] [2021-10-28 09:25:07,459 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:07,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:07,460 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 8 times [2021-10-28 09:25:07,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:07,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511168275] [2021-10-28 09:25:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:07,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,465 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,469 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:07,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:07,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:25:07,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:25:07,524 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:07,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:07,559 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-10-28 09:25:07,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:25:07,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-10-28 09:25:07,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:07,561 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-10-28 09:25:07,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:07,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:07,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-10-28 09:25:07,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:07,562 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-28 09:25:07,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-10-28 09:25:07,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-28 09:25:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2021-10-28 09:25:07,564 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-28 09:25:07,564 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-28 09:25:07,564 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:25:07,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 56 transitions. [2021-10-28 09:25:07,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:25:07,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:07,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:07,566 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1] [2021-10-28 09:25:07,566 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:07,566 INFO L791 eck$LassoCheckResult]: Stem: 1184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1168#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1169#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1191#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1192#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1189#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1190#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1204#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1203#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1202#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1201#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1200#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1199#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1198#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1197#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1196#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1195#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1194#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1193#L90-3 assume !(main_~i~1 < 8); 1179#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 1180#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1174#L63-4 [2021-10-28 09:25:07,566 INFO L793 eck$LassoCheckResult]: Loop: 1174#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1159#L66 assume !parse_expression_list_#t~switch7; 1160#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1175#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1176#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1174#L63-4 [2021-10-28 09:25:07,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:07,567 INFO L85 PathProgramCache]: Analyzing trace with hash 684732762, now seen corresponding path program 8 times [2021-10-28 09:25:07,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:07,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289255100] [2021-10-28 09:25:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:07,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,613 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:07,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:07,651 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 9 times [2021-10-28 09:25:07,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:07,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358361052] [2021-10-28 09:25:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:07,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,656 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:07,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash 299059334, now seen corresponding path program 1 times [2021-10-28 09:25:07,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:07,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449942854] [2021-10-28 09:25:07,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:07,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,698 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:07,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:14,739 WARN L207 SmtUtils]: Spent 6.94 s on a formula simplification. DAG size of input: 224 DAG size of output: 172 [2021-10-28 09:25:15,837 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:25:15,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:25:15,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:25:15,838 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:25:15,838 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:25:15,838 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:15,838 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:25:15,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:25:15,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration10_Lasso [2021-10-28 09:25:15,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:25:15,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:25:15,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:15,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:16,648 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:25:16,648 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:25:16,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:16,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:16,657 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:16,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:16,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:16,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:16,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:16,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:16,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:16,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:16,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:16,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:25:16,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:16,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:16,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:16,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:16,714 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:16,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:16,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:16,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:16,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:16,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:16,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:16,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:16,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:16,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:25:16,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:16,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:16,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:16,787 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:16,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:25:16,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:16,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:16,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:16,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:16,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:16,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:16,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:16,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:16,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:16,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:16,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:16,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:16,862 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:16,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:16,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:16,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:16,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:16,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:16,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:16,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:16,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:25:16,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:16,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:16,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:16,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:16,959 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:16,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:25:16,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:16,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:16,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:16,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:16,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:16,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:16,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:16,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:16,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,007 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:25:17,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,093 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:25:17,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,181 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:25:17,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,218 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:25:17,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,249 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:25:17,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,329 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:25:17,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,389 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:25:17,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,460 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:25:17,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,524 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:25:17,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,557 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:25:17,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 09:25:17,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,601 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:25:17,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,634 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:25:17,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 09:25:17,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,665 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:25:17,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 09:25:17,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,724 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:25:17,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:17,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:17,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:17,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,766 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:25:17,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,806 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:25:17,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,847 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:25:17,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,880 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:25:17,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,914 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:25:17,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 09:25:17,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,961 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:25:17,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:17,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:17,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:17,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:17,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:17,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:17,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:17,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:17,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:17,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:17,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:17,998 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:17,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:25:17,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:18,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:18,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:18,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:18,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:18,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:18,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:18,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:18,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:18,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:18,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:18,032 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:18,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:25:18,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:18,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:18,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:18,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:18,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:18,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:18,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:18,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:18,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:18,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:18,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:18,069 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:18,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:25:18,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:18,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:18,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:18,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:18,078 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:25:18,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:18,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:25:18,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:18,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:18,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 09:25:18,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:18,101 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:18,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:25:18,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:18,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:18,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:18,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:18,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:18,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:18,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:18,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:18,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:18,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:18,139 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:18,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:25:18,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:18,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:18,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:18,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:18,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:18,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:18,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:18,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:18,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:18,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 09:25:18,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:18,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:18,173 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:18,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:25:18,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:18,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:18,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:18,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:18,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:18,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:18,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:18,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:18,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 09:25:18,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:18,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:18,205 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:18,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:25:18,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:18,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:18,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:18,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:18,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:18,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:18,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:18,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:25:18,270 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 09:25:18,270 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 09:25:18,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:18,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:18,281 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:18,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:25:18,283 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:25:18,298 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:25:18,298 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:25:18,298 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2, ULTIMATE.start_parse_expression_list_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2 - 1*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-10-28 09:25:18,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 09:25:18,365 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2021-10-28 09:25:18,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:18,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:25:18,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:18,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:18,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:25:18,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:18,744 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:25:18,745 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:18,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 92 transitions. Complement of second has 6 states. [2021-10-28 09:25:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:25:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2021-10-28 09:25:18,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 5 letters. [2021-10-28 09:25:18,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:18,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 26 letters. Loop has 5 letters. [2021-10-28 09:25:18,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:18,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 10 letters. [2021-10-28 09:25:18,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:18,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 92 transitions. [2021-10-28 09:25:18,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:18,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 59 states and 75 transitions. [2021-10-28 09:25:18,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 09:25:18,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 09:25:18,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 75 transitions. [2021-10-28 09:25:18,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:18,821 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-10-28 09:25:18,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 75 transitions. [2021-10-28 09:25:18,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2021-10-28 09:25:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 57 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-10-28 09:25:18,824 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-10-28 09:25:18,824 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-10-28 09:25:18,824 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:25:18,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 74 transitions. [2021-10-28 09:25:18,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:18,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:18,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:18,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:18,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:25:18,826 INFO L791 eck$LassoCheckResult]: Stem: 1493#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1469#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1470#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1498#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1499#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1500#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1513#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1512#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1511#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1510#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1509#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1508#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1507#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1506#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1505#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1504#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1503#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1502#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1501#L90-3 assume !(main_~i~1 < 8); 1483#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 1484#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1477#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1456#L66 assume parse_expression_list_#t~switch7; 1459#L67-5 [2021-10-28 09:25:18,826 INFO L793 eck$LassoCheckResult]: Loop: 1459#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1467#L67-1 assume parse_expression_list_#t~short10; 1485#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1459#L67-5 [2021-10-28 09:25:18,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:18,827 INFO L85 PathProgramCache]: Analyzing trace with hash 898188797, now seen corresponding path program 1 times [2021-10-28 09:25:18,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:18,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47753153] [2021-10-28 09:25:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:18,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:18,842 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:18,860 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:18,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:18,861 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 1 times [2021-10-28 09:25:18,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:18,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586806597] [2021-10-28 09:25:18,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:18,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:18,865 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:18,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:18,869 INFO L85 PathProgramCache]: Analyzing trace with hash 296230220, now seen corresponding path program 1 times [2021-10-28 09:25:18,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:18,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435144467] [2021-10-28 09:25:18,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:18,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:25:18,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:18,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435144467] [2021-10-28 09:25:18,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435144467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:18,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:18,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:25:18,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019028020] [2021-10-28 09:25:19,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:19,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:25:19,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:25:19,041 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. cyclomatic complexity: 20 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:19,201 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2021-10-28 09:25:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:25:19,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 118 transitions. [2021-10-28 09:25:19,203 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-28 09:25:19,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 118 transitions. [2021-10-28 09:25:19,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 09:25:19,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 09:25:19,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 118 transitions. [2021-10-28 09:25:19,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:19,204 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-10-28 09:25:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 118 transitions. [2021-10-28 09:25:19,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2021-10-28 09:25:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 64 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2021-10-28 09:25:19,207 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-10-28 09:25:19,207 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-10-28 09:25:19,207 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:25:19,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 83 transitions. [2021-10-28 09:25:19,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:19,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:19,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:19,209 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:19,209 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:25:19,209 INFO L791 eck$LassoCheckResult]: Stem: 1665#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1640#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1641#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1672#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1673#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1674#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1687#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1686#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1685#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1684#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1683#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1682#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1681#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1680#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1679#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1678#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1677#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1676#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1675#L90-3 assume !(main_~i~1 < 8); 1653#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 1654#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1648#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1625#L66 assume !parse_expression_list_#t~switch7; 1626#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1651#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1652#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1649#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1650#L66 assume parse_expression_list_#t~switch7; 1636#L67-5 [2021-10-28 09:25:19,209 INFO L793 eck$LassoCheckResult]: Loop: 1636#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1637#L67-1 assume parse_expression_list_#t~short10; 1689#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1636#L67-5 [2021-10-28 09:25:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:19,209 INFO L85 PathProgramCache]: Analyzing trace with hash -366788055, now seen corresponding path program 1 times [2021-10-28 09:25:19,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:19,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774003111] [2021-10-28 09:25:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:19,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:19,225 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:19,243 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:19,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 2 times [2021-10-28 09:25:19,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:19,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089447542] [2021-10-28 09:25:19,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:19,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:19,248 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:19,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:19,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:19,252 INFO L85 PathProgramCache]: Analyzing trace with hash -586112608, now seen corresponding path program 1 times [2021-10-28 09:25:19,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:19,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366879546] [2021-10-28 09:25:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:19,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:19,269 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:19,290 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:24,599 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 266 DAG size of output: 195 [2021-10-28 09:25:25,115 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:25:25,115 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:25:25,115 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:25:25,115 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:25:25,115 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:25:25,115 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:25,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:25:25,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:25:25,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration12_Lasso [2021-10-28 09:25:25,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:25:25,115 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:25:25,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:25,836 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:25:25,836 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:25:25,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:25,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:25,843 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:25,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:25:25,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:25,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:25,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:25,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:25,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:25,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:25,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:25,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:25,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:25,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:25,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:25,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:25,875 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:25,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:25:25,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:25,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:25,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:25,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:25,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:25,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:25,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:25,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:25,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:25,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:25:25,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:25,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:25,917 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:25,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:25:25,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:25,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:25,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:25,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:25,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:25,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:25,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:25,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:25,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 09:25:25,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:25,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:25,954 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:25,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:25:25,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:25,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:25,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:25,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:25,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:25,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:25,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:25,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:25,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:25,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 09:25:25,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:25,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:25,985 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:25,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:25:25,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:25,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:25,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:25,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:25,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:25,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:25,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:25,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:25,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 09:25:26,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,018 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:25:26,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:26,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,063 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:25:26,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 09:25:26,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,095 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:25:26,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:26,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,157 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:25:26,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:25:26,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,187 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:25:26,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:26,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,219 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:25:26,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:25:26,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,254 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:25:26,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 09:25:26,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,287 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:25:26,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-28 09:25:26,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,319 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:25:26,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 09:25:26,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,351 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:25:26,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 09:25:26,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,385 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:25:26,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-28 09:25:26,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,417 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:25:26,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 09:25:26,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,449 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:25:26,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 09:25:26,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,484 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:25:26,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:26,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,515 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:25:26,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-28 09:25:26,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,546 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:25:26,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-28 09:25:26,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,577 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:25:26,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 09:25:26,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,608 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:25:26,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-28 09:25:26,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,639 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:25:26,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:26,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,670 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:25:26,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-28 09:25:26,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,704 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:25:26,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:26,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:26,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:26,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:26,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,734 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:25:26,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 09:25:26,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,766 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:25:26,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 09:25:26,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,799 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:25:26,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 09:25:26,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,838 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:25:26,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 09:25:26,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,897 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:25:26,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,906 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:25:26,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,908 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 09:25:26,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:26,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,939 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:25:26,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:26,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 09:25:26,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:26,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:26,973 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:26,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:25:26,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:26,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:26,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:26,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:26,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:26,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:26,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:26,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:27,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 09:25:27,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,010 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:25:27,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:27,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:27,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:27,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:27,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:27,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:27,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:27,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:27,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-28 09:25:27,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,075 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:25:27,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:27,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:27,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:27,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:27,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:27,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:27,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:27,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:27,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:27,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,127 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:25:27,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:27,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:27,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:27,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:27,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:27,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:27,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:27,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:27,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 09:25:27,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,170 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:25:27,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:27,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:27,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:27,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:27,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:27,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:27,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:27,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:27,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:27,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-28 09:25:27,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,208 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 09:25:27,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:27,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:27,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:27,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:27,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:27,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:27,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:27,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:27,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:27,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 09:25:27,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,245 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 09:25:27,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:27,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:27,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:27,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:27,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:27,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:27,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:27,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:27,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:27,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,278 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 09:25:27,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:27,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:27,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:27,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:27,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:27,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:27,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:27,325 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:25:27,354 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-28 09:25:27,354 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 09:25:27,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:27,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:27,361 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:27,363 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:25:27,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 09:25:27,394 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:25:27,394 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:25:27,394 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~start~0, v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2) = -1*ULTIMATE.start_parse_expression_list_~start~0 + 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-10-28 09:25:27,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:27,468 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2021-10-28 09:25:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:27,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:25:27,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:27,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-28 09:25:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:27,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:25:27,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:27,882 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 09:25:27,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:27,993 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 176 states and 237 transitions. Complement of second has 9 states. [2021-10-28 09:25:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:25:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2021-10-28 09:25:27,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-28 09:25:27,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:27,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 31 letters. Loop has 3 letters. [2021-10-28 09:25:27,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:27,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 6 letters. [2021-10-28 09:25:27,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:27,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 237 transitions. [2021-10-28 09:25:27,998 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-10-28 09:25:28,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 136 states and 181 transitions. [2021-10-28 09:25:28,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-10-28 09:25:28,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-28 09:25:28,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 181 transitions. [2021-10-28 09:25:28,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:28,002 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 181 transitions. [2021-10-28 09:25:28,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 181 transitions. [2021-10-28 09:25:28,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2021-10-28 09:25:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 90 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 122 transitions. [2021-10-28 09:25:28,007 INFO L704 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-10-28 09:25:28,007 INFO L587 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-10-28 09:25:28,007 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:25:28,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 122 transitions. [2021-10-28 09:25:28,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:28,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:28,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:28,009 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:28,009 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:25:28,010 INFO L791 eck$LassoCheckResult]: Stem: 2125#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2099#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2100#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2133#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2134#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2135#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2150#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2149#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2148#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2147#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2146#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2145#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2144#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2143#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2142#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2141#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2140#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2139#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2138#L90-3 assume !(main_~i~1 < 8); 2114#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 2115#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2107#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2108#L66 assume parse_expression_list_#t~switch7; 2093#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2094#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2164#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2152#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2162#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2101#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2089#L70-8 [2021-10-28 09:25:28,010 INFO L793 eck$LassoCheckResult]: Loop: 2089#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2105#L70-1 assume !parse_expression_list_#t~short17; 2088#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2089#L70-8 [2021-10-28 09:25:28,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 1 times [2021-10-28 09:25:28,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921560798] [2021-10-28 09:25:28,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:25:28,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:28,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921560798] [2021-10-28 09:25:28,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921560798] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:28,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:28,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 09:25:28,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129241069] [2021-10-28 09:25:28,190 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:28,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,190 INFO L85 PathProgramCache]: Analyzing trace with hash 89761, now seen corresponding path program 1 times [2021-10-28 09:25:28,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785353868] [2021-10-28 09:25:28,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:28,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:28,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785353868] [2021-10-28 09:25:28,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785353868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:28,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:28,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:25:28,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947781454] [2021-10-28 09:25:28,201 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:25:28,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:28,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:25:28,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:25:28,203 INFO L87 Difference]: Start difference. First operand 91 states and 122 transitions. cyclomatic complexity: 38 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:28,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:28,211 INFO L93 Difference]: Finished difference Result 93 states and 123 transitions. [2021-10-28 09:25:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:25:28,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 123 transitions. [2021-10-28 09:25:28,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:28,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 92 states and 122 transitions. [2021-10-28 09:25:28,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 09:25:28,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 09:25:28,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 122 transitions. [2021-10-28 09:25:28,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:28,214 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-28 09:25:28,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 122 transitions. [2021-10-28 09:25:28,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-28 09:25:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.326086956521739) internal successors, (122), 91 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-10-28 09:25:28,217 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-28 09:25:28,217 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-28 09:25:28,218 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:25:28,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 122 transitions. [2021-10-28 09:25:28,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:28,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:28,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:28,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:28,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:28,220 INFO L791 eck$LassoCheckResult]: Stem: 2317#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2292#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2293#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2327#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2328#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2330#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2361#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2359#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2356#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2354#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2350#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2348#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2343#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2339#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2335#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2334#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2333#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2332#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2331#L90-3 assume !(main_~i~1 < 8); 2306#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 2307#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2301#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2278#L66 assume parse_expression_list_#t~switch7; 2281#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2288#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2346#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2340#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2336#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2294#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2285#L70-8 [2021-10-28 09:25:28,220 INFO L793 eck$LassoCheckResult]: Loop: 2285#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2299#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2325#L70-2 assume parse_expression_list_#t~short16; 2314#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2284#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2285#L70-8 [2021-10-28 09:25:28,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 2 times [2021-10-28 09:25:28,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428426516] [2021-10-28 09:25:28,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:25:28,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:28,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428426516] [2021-10-28 09:25:28,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428426516] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:28,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:28,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 09:25:28,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746962470] [2021-10-28 09:25:28,414 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:28,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,414 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 1 times [2021-10-28 09:25:28,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951267761] [2021-10-28 09:25:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:28,420 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:28,425 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:28,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:28,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:25:28,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:25:28,505 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. cyclomatic complexity: 37 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:28,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:28,655 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-10-28 09:25:28,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:25:28,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2021-10-28 09:25:28,657 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-28 09:25:28,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 117 states and 151 transitions. [2021-10-28 09:25:28,658 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-10-28 09:25:28,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-10-28 09:25:28,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 151 transitions. [2021-10-28 09:25:28,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:28,659 INFO L681 BuchiCegarLoop]: Abstraction has 117 states and 151 transitions. [2021-10-28 09:25:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 151 transitions. [2021-10-28 09:25:28,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 88. [2021-10-28 09:25:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 87 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 116 transitions. [2021-10-28 09:25:28,661 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-10-28 09:25:28,661 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-10-28 09:25:28,661 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:25:28,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 116 transitions. [2021-10-28 09:25:28,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:28,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:28,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:28,663 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:28,663 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:28,663 INFO L791 eck$LassoCheckResult]: Stem: 2551#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2526#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2527#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2558#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2559#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2561#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2575#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2574#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2573#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2572#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2571#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2570#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2569#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2568#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2567#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2566#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2565#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2564#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2563#L90-3 assume !(main_~i~1 < 8); 2540#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 2541#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2535#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2514#L66 assume parse_expression_list_#t~switch7; 2517#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2524#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2544#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2545#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2552#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 2528#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2521#L70-8 [2021-10-28 09:25:28,664 INFO L793 eck$LassoCheckResult]: Loop: 2521#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2533#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2556#L70-2 assume parse_expression_list_#t~short16; 2548#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2520#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2521#L70-8 [2021-10-28 09:25:28,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1161473974, now seen corresponding path program 1 times [2021-10-28 09:25:28,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603511315] [2021-10-28 09:25:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:28,679 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:28,695 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:28,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,696 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 2 times [2021-10-28 09:25:28,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257855540] [2021-10-28 09:25:28,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:28,733 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:28,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1035891741, now seen corresponding path program 1 times [2021-10-28 09:25:28,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624019250] [2021-10-28 09:25:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:25:28,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:28,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624019250] [2021-10-28 09:25:28,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624019250] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:28,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:28,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:25:28,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808392200] [2021-10-28 09:25:28,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:28,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:25:28,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:25:28,894 INFO L87 Difference]: Start difference. First operand 88 states and 116 transitions. cyclomatic complexity: 35 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:28,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:28,973 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2021-10-28 09:25:28,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:25:28,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 172 transitions. [2021-10-28 09:25:28,975 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-28 09:25:28,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 127 states and 164 transitions. [2021-10-28 09:25:28,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:25:28,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:25:28,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 164 transitions. [2021-10-28 09:25:28,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:28,978 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 164 transitions. [2021-10-28 09:25:28,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 164 transitions. [2021-10-28 09:25:28,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 92. [2021-10-28 09:25:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 91 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-10-28 09:25:28,983 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-10-28 09:25:28,983 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-10-28 09:25:28,983 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 09:25:28,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 119 transitions. [2021-10-28 09:25:28,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:28,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:28,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:28,987 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:28,987 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:28,987 INFO L791 eck$LassoCheckResult]: Stem: 2792#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2766#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2767#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2803#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2804#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2805#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2820#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2819#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2818#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2817#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2816#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2815#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2814#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2813#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2812#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2811#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2810#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2807#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2806#L90-3 assume !(main_~i~1 < 8); 2780#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 2781#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2775#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2776#L66 assume !parse_expression_list_#t~switch7; 2834#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2845#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2844#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 2836#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2833#L66 assume parse_expression_list_#t~switch7; 2829#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2826#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2823#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2822#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2821#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2768#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2761#L70-8 [2021-10-28 09:25:28,987 INFO L793 eck$LassoCheckResult]: Loop: 2761#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2773#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2801#L70-2 assume parse_expression_list_#t~short16; 2789#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2760#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2761#L70-8 [2021-10-28 09:25:28,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:28,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1836811464, now seen corresponding path program 1 times [2021-10-28 09:25:28,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:28,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784229828] [2021-10-28 09:25:28,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:28,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,003 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:29,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 3 times [2021-10-28 09:25:29,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:29,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140480901] [2021-10-28 09:25:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:29,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,028 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:29,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:29,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1492455953, now seen corresponding path program 1 times [2021-10-28 09:25:29,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:29,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412965458] [2021-10-28 09:25:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:29,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:25:29,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:29,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412965458] [2021-10-28 09:25:29,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412965458] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:29,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146400446] [2021-10-28 09:25:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:29,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:29,101 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:29,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-10-28 09:25:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:29,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:25:29,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:25:29,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146400446] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:29,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:29,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-28 09:25:29,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599840227] [2021-10-28 09:25:29,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:25:29,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:25:29,434 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. cyclomatic complexity: 34 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:29,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:29,544 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2021-10-28 09:25:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:25:29,545 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 239 transitions. [2021-10-28 09:25:29,546 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-28 09:25:29,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 167 states and 217 transitions. [2021-10-28 09:25:29,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 09:25:29,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-28 09:25:29,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 217 transitions. [2021-10-28 09:25:29,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:29,548 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 217 transitions. [2021-10-28 09:25:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 217 transitions. [2021-10-28 09:25:29,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2021-10-28 09:25:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.303030303030303) internal successors, (172), 131 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2021-10-28 09:25:29,552 INFO L704 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-10-28 09:25:29,552 INFO L587 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-10-28 09:25:29,552 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 09:25:29,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 172 transitions. [2021-10-28 09:25:29,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-28 09:25:29,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:29,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:29,555 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:29,555 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:25:29,556 INFO L791 eck$LassoCheckResult]: Stem: 3204#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3177#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3178#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3211#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3212#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3229#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3228#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3227#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3226#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3225#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3224#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3223#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3222#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3221#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3220#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3219#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3215#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3214#L90-3 assume !(main_~i~1 < 8); 3193#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 3194#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3186#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3187#L66 assume !parse_expression_list_#t~switch7; 3267#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3266#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3265#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3264#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3262#L66 assume !parse_expression_list_#t~switch7; 3252#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3259#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3256#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3253#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3251#L66 assume parse_expression_list_#t~switch7; 3249#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3250#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3268#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3201#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3202#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3179#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3171#L70-8 [2021-10-28 09:25:29,556 INFO L793 eck$LassoCheckResult]: Loop: 3171#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3184#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 3208#L70-2 assume parse_expression_list_#t~short16; 3195#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 3170#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 3171#L70-8 [2021-10-28 09:25:29,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1704815562, now seen corresponding path program 1 times [2021-10-28 09:25:29,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:29,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507067650] [2021-10-28 09:25:29,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:29,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,580 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 4 times [2021-10-28 09:25:29,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:29,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161268169] [2021-10-28 09:25:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:29,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,623 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,625 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:29,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash -2027190115, now seen corresponding path program 1 times [2021-10-28 09:25:29,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:29,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749753755] [2021-10-28 09:25:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:29,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,662 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:29,716 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:38,485 WARN L207 SmtUtils]: Spent 8.70 s on a formula simplification. DAG size of input: 319 DAG size of output: 231 [2021-10-28 09:25:39,398 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:25:39,398 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:25:39,398 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:25:39,398 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:25:39,399 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:25:39,399 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:39,399 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:25:39,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:25:39,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration17_Lasso [2021-10-28 09:25:39,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:25:39,399 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:25:39,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:39,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:25:40,499 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:25:40,499 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:25:40,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,509 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 09:25:40,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:40,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,554 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:25:40,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-28 09:25:40,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,589 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:25:40,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 09:25:40,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,620 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:25:40,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:40,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:40,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:40,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,654 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:25:40,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:40,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:40,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:40,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,686 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 09:25:40,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-28 09:25:40,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,715 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 09:25:40,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:40,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:40,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:40,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,747 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:25:40,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-28 09:25:40,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,777 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:25:40,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:40,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,813 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 09:25:40,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:40,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,845 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 09:25:40,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:40,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,928 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 09:25:40,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:40,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-28 09:25:40,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:40,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:40,960 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:40,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 09:25:40,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:40,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:40,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:40,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:40,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:40,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:40,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:40,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:40,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,006 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 09:25:41,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,038 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 09:25:41,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,070 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 09:25:41,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:41,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:41,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:41,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,099 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 09:25:41,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-28 09:25:41,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,142 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 09:25:41,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 09:25:41,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,174 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 09:25:41,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:25:41,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:25:41,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:25:41,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,204 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 09:25:41,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,235 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 09:25:41,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-28 09:25:41,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,280 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 09:25:41,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,318 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 09:25:41,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,356 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 09:25:41,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,391 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 09:25:41,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:25:41,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,426 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 09:25:41,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:25:41,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:25:41,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:25:41,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:25:41,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:25:41,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:25:41,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:25:41,450 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:25:41,467 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:25:41,467 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-28 09:25:41,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:25:41,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:41,468 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:25:41,469 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:25:41,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 09:25:41,478 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:25:41,478 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:25:41,478 INFO L515 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 [] [2021-10-28 09:25:41,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:41,575 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-10-28 09:25:41,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:41,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:25:41,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:41,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:25:41,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:25:41,812 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 [2021-10-28 09:25:41,812 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:41,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 292 states and 386 transitions. Complement of second has 11 states. [2021-10-28 09:25:41,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:25:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2021-10-28 09:25:41,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 5 letters. [2021-10-28 09:25:41,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:41,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 44 letters. Loop has 5 letters. [2021-10-28 09:25:41,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:41,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 10 letters. [2021-10-28 09:25:41,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:25:41,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 386 transitions. [2021-10-28 09:25:41,913 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2021-10-28 09:25:41,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 192 states and 251 transitions. [2021-10-28 09:25:41,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-10-28 09:25:41,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-10-28 09:25:41,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 251 transitions. [2021-10-28 09:25:41,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:41,915 INFO L681 BuchiCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-28 09:25:41,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 251 transitions. [2021-10-28 09:25:41,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 138. [2021-10-28 09:25:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.2971014492753623) internal successors, (179), 137 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-10-28 09:25:41,919 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-10-28 09:25:41,920 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-10-28 09:25:41,920 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-28 09:25:41,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 179 transitions. [2021-10-28 09:25:41,921 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-28 09:25:41,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:41,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:41,922 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:25:41,922 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:25:41,922 INFO L791 eck$LassoCheckResult]: Stem: 3912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3884#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3885#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3921#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3922#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3923#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3936#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3935#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3934#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3933#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3932#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3931#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3930#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3929#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3928#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3927#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3926#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3925#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3924#L90-3 assume !(main_~i~1 < 8); 3900#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 3901#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3893#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3894#L66 assume parse_expression_list_#t~switch7; 3990#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3998#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3997#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3996#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3995#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3994#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3993#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3992#L70-1 assume !parse_expression_list_#t~short17; 3991#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 3989#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 3987#L71 assume !parse_expression_list_#t~short20; 3985#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 3983#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 3981#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);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~ret3.base, r_strncpy_#t~ret3.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~ret3.base, r_strncpy_#t~ret3.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~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 3978#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.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; 3977#L15 assume !(0 == __VERIFIER_assert_~cond); 3975#L15-2 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); 3973#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 3971#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3968#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3966#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3962#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3958#L66 assume parse_expression_list_#t~switch7; 3903#L67-5 [2021-10-28 09:25:41,923 INFO L793 eck$LassoCheckResult]: Loop: 3903#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3945#L67-1 assume parse_expression_list_#t~short10; 3902#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 3903#L67-5 [2021-10-28 09:25:41,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:41,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1896680144, now seen corresponding path program 1 times [2021-10-28 09:25:41,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:41,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356493488] [2021-10-28 09:25:41,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:41,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:25:41,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:41,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356493488] [2021-10-28 09:25:41,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356493488] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:25:41,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:25:41,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:25:41,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093871141] [2021-10-28 09:25:41,995 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:41,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:41,995 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 3 times [2021-10-28 09:25:41,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:41,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938582179] [2021-10-28 09:25:41,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:41,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:42,000 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:42,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:42,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:42,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:25:42,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:25:42,056 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:42,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:42,128 INFO L93 Difference]: Finished difference Result 140 states and 182 transitions. [2021-10-28 09:25:42,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:25:42,129 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 182 transitions. [2021-10-28 09:25:42,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:42,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 127 states and 167 transitions. [2021-10-28 09:25:42,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 09:25:42,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 09:25:42,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 167 transitions. [2021-10-28 09:25:42,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:25:42,131 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 167 transitions. [2021-10-28 09:25:42,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 167 transitions. [2021-10-28 09:25:42,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2021-10-28 09:25:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 106 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2021-10-28 09:25:42,135 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-10-28 09:25:42,135 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-10-28 09:25:42,135 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-28 09:25:42,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 139 transitions. [2021-10-28 09:25:42,136 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 09:25:42,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:25:42,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:25:42,141 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 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, 1, 1, 1] [2021-10-28 09:25:42,142 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:25:42,142 INFO L791 eck$LassoCheckResult]: Stem: 4202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 4175#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 4176#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4210#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4211#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4249#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4247#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4245#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4243#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4236#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4235#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4234#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4233#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4232#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4230#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4228#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4225#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4224#L90-3 assume !(main_~i~1 < 8); 4191#L90-4 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~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, 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); 4192#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 4184#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4162#L66 assume !parse_expression_list_#t~switch7; 4163#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4187#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4188#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4268#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4267#L66 assume parse_expression_list_#t~switch7; 4263#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4262#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 4260#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 4258#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 4256#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 4178#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 4179#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 4183#L70-1 assume !parse_expression_list_#t~short17; 4209#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 4220#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 4218#L71 assume !parse_expression_list_#t~short20; 4217#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 4189#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 4190#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);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~ret3.base, r_strncpy_#t~ret3.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~ret3.base, r_strncpy_#t~ret3.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~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 4206#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.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; 4204#L15 assume !(0 == __VERIFIER_assert_~cond); 4180#L15-2 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); 4181#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 4212#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4241#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4240#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4239#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4237#L66 assume parse_expression_list_#t~switch7; 4170#L67-5 [2021-10-28 09:25:42,142 INFO L793 eck$LassoCheckResult]: Loop: 4170#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4171#L67-1 assume parse_expression_list_#t~short10; 4193#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 4170#L67-5 [2021-10-28 09:25:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:42,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1759377532, now seen corresponding path program 1 times [2021-10-28 09:25:42,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:42,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046608653] [2021-10-28 09:25:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:42,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:42,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-28 09:25:42,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:25:42,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046608653] [2021-10-28 09:25:42,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046608653] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:42,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793730420] [2021-10-28 09:25:42,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:42,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:25:42,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:25:42,329 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:25:42,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Waiting until timeout for monitored process [2021-10-28 09:25:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:25:42,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:25:42,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:25:42,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 09:25:42,614 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:25:42,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 09:25:42,831 INFO L354 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2021-10-28 09:25:42,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2021-10-28 09:25:42,958 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-10-28 09:25:42,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 14 [2021-10-28 09:25:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-28 09:25:42,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793730420] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:25:42,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:25:42,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-10-28 09:25:42,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789812530] [2021-10-28 09:25:42,968 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:25:42,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:25:42,968 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 4 times [2021-10-28 09:25:42,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:25:42,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098123927] [2021-10-28 09:25:42,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:25:42,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:25:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:42,973 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:25:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:25:42,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:25:43,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:25:43,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:25:43,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:25:43,030 INFO L87 Difference]: Start difference. First operand 107 states and 139 transitions. cyclomatic complexity: 40 Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:25:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:25:43,210 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2021-10-28 09:25:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:25:43,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2021-10-28 09:25:43,211 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:25:43,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2021-10-28 09:25:43,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:25:43,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:25:43,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:25:43,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:25:43,212 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:25:43,212 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:25:43,212 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:25:43,212 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-28 09:25:43,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:25:43,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:25:43,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:25:43,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:25:43 BoogieIcfgContainer [2021-10-28 09:25:43,222 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:25:43,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:25:43,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:25:43,223 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:25:43,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:25:02" (3/4) ... [2021-10-28 09:25:43,227 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:25:43,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:25:43,228 INFO L168 Benchmark]: Toolchain (without parser) took 41704.23 ms. Allocated memory was 115.3 MB in the beginning and 186.6 MB in the end (delta: 71.3 MB). Free memory was 85.8 MB in the beginning and 47.7 MB in the end (delta: 38.0 MB). Peak memory consumption was 109.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:43,229 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 115.3 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:43,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.72 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 89.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:43,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.56 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 87.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:43,230 INFO L168 Benchmark]: Boogie Preprocessor took 47.43 ms. Allocated memory is still 115.3 MB. Free memory was 87.4 MB in the beginning and 86.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:43,231 INFO L168 Benchmark]: RCFGBuilder took 383.09 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 72.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:43,231 INFO L168 Benchmark]: BuchiAutomizer took 40824.67 ms. Allocated memory was 115.3 MB in the beginning and 186.6 MB in the end (delta: 71.3 MB). Free memory was 71.9 MB in the beginning and 47.7 MB in the end (delta: 24.2 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:25:43,232 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 186.6 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:25:43,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 115.3 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.72 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 89.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.56 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 87.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.43 ms. Allocated memory is still 115.3 MB. Free memory was 87.4 MB in the beginning and 86.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 383.09 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 72.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 40824.67 ms. Allocated memory was 115.3 MB in the beginning and 186.6 MB in the end (delta: 71.3 MB). Free memory was 71.9 MB in the beginning and 47.7 MB in the end (delta: 24.2 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.46 ms. Allocated memory is still 186.6 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 19 terminating modules (15 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 * unknown-#length-unknown[A] + -2 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[A] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[str] + -1 * start and consists of 6 locations. One deterministic module has affine ranking function j and consists of 6 locations. 15 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.7s and 20 iterations. TraceHistogramMax:8. Analysis of lassos took 37.7s. Construction of modules took 0.6s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 252 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 17. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 685 SDtfs, 816 SDslu, 1473 SDs, 0 SdLazy, 792 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU11 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital248 mio100 ax100 hnf99 lsp93 ukn53 mio100 lsp38 div100 bol100 ite100 ukn100 eq184 hnf90 smp100 dnf156 smp82 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2021-10-28 09:25:43,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:43,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2021-10-28 09:25:43,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:43,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:44,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:25:44,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-28 09:25:44,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-28 09:25:44,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-28 09:25:44,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-28 09:25:45,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5d2b66-a950-4df8-9614-c32a8eb25554/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...