./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sep05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sep05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt --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 b1dceb134ad462d5f95d7af7b0695951aa1c5481 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:40:00,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:40:00,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:40:00,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:40:00,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:40:00,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:40:00,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:40:00,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:40:00,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:40:00,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:40:00,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:40:00,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:40:00,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:40:00,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:40:00,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:40:00,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:40:00,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:40:00,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:40:00,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:40:00,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:40:00,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:40:00,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:40:00,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:40:00,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:40:00,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:40:00,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:40:00,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:40:00,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:40:00,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:40:00,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:40:00,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:40:00,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:40:00,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:40:00,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:40:00,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:40:00,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:40:00,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:40:00,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:40:00,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:40:00,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:40:00,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:40:00,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:40:00,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:40:00,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:40:00,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:40:00,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:40:00,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:40:00,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:40:00,215 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:40:00,216 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:40:00,216 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:40:00,216 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:40:00,217 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:40:00,217 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:40:00,218 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:40:00,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:40:00,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:40:00,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:40:00,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:40:00,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:40:00,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:40:00,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:40:00,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:40:00,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:40:00,220 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:40:00,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:40:00,220 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:40:00,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:40:00,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:40:00,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:40:00,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:40:00,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:40:00,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:40:00,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:40:00,225 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:40:00,225 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_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1dceb134ad462d5f95d7af7b0695951aa1c5481 [2021-10-13 00:40:00,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:40:00,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:40:00,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:40:00,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:40:00,541 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:40:00,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-10-13 00:40:00,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/data/3c5ed68b8/e2c1f34a550f4ff2b4071c930e990dca/FLAG701df933a [2021-10-13 00:40:01,102 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:40:01,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/sv-benchmarks/c/reducercommutativity/sep05-1.i [2021-10-13 00:40:01,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/data/3c5ed68b8/e2c1f34a550f4ff2b4071c930e990dca/FLAG701df933a [2021-10-13 00:40:01,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/data/3c5ed68b8/e2c1f34a550f4ff2b4071c930e990dca [2021-10-13 00:40:01,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:40:01,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:40:01,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:01,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:40:01,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:40:01,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25070cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01, skipping insertion in model container [2021-10-13 00:40:01,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:40:01,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:40:01,722 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_40624a6c-cbd3-40c8-9682-4b01691edc12/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-10-13 00:40:01,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:01,732 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:40:01,753 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_40624a6c-cbd3-40c8-9682-4b01691edc12/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2021-10-13 00:40:01,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:01,766 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:40:01,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01 WrapperNode [2021-10-13 00:40:01,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:01,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:01,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:40:01,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:40:01,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:01,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:40:01,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:40:01,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:40:01,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:40:01,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:40:01,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:40:01,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:40:01,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (1/1) ... [2021-10-13 00:40:01,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:01,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:01,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:40:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:40:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:40:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:40:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:40:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:40:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:40:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:40:02,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:40:02,322 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-13 00:40:02,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:02 BoogieIcfgContainer [2021-10-13 00:40:02,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:40:02,325 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:40:02,325 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:40:02,328 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:40:02,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:02,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:40:01" (1/3) ... [2021-10-13 00:40:02,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1261206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:40:02, skipping insertion in model container [2021-10-13 00:40:02,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:02,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:01" (2/3) ... [2021-10-13 00:40:02,332 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1261206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:40:02, skipping insertion in model container [2021-10-13 00:40:02,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:02,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:02" (3/3) ... [2021-10-13 00:40:02,334 INFO L389 chiAutomizerObserver]: Analyzing ICFG sep05-1.i [2021-10-13 00:40:02,409 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:40:02,418 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:40:02,418 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:40:02,418 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:40:02,418 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:40:02,418 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:40:02,419 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:40:02,419 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:40:02,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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) [2021-10-13 00:40:02,476 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2021-10-13 00:40:02,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:02,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:02,482 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:40:02,482 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:40:02,482 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:40:02,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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) [2021-10-13 00:40:02,488 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2021-10-13 00:40:02,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:02,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:02,489 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:40:02,489 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:40:02,496 INFO L791 eck$LassoCheckResult]: Stem: 19#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(10); 6#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 27#L37-3true [2021-10-13 00:40:02,497 INFO L793 eck$LassoCheckResult]: Loop: 27#L37-3true assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 18#L37-2true main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 27#L37-3true [2021-10-13 00:40:02,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:02,509 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:40:02,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:02,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960378265] [2021-10-13 00:40:02,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:02,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:02,644 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:02,717 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:02,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:02,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-13 00:40:02,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:02,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238061819] [2021-10-13 00:40:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:02,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:02,731 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:02,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:02,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:02,747 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-13 00:40:02,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:02,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831681505] [2021-10-13 00:40:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:02,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:02,770 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:02,793 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:03,366 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:40:03,368 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:40:03,368 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:40:03,369 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:40:03,369 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:40:03,369 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:03,369 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:40:03,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:40:03,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration1_Lasso [2021-10-13 00:40:03,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:40:03,371 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:40:03,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:03,840 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:40:03,844 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:40:03,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:03,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:03,866 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 [2021-10-13 00:40:03,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:40:03,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:03,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:03,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:03,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:03,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:03,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:03,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:03,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:03,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:03,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:03,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:03,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:40:03,957 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 [2021-10-13 00:40:03,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:03,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:03,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:03,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:03,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:03,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:03,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:03,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:04,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:04,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:04,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:04,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:04,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:40:04,016 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 [2021-10-13 00:40:04,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:04,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:04,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:04,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:04,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:04,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:04,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:04,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:04,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:04,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:04,088 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:04,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:40:04,098 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 [2021-10-13 00:40:04,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:04,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:04,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:04,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:04,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:04,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:04,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:04,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:04,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:04,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:04,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:04,170 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 [2021-10-13 00:40:04,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:40:04,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:04,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:04,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:04,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:04,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:04,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:04,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:04,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:04,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:04,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:04,238 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:04,243 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 [2021-10-13 00:40:04,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:04,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:04,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:04,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:04,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:40:04,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:04,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:04,284 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:40:04,346 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 00:40:04,346 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-13 00:40:04,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:04,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:04,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:04,378 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:40:04,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:40:04,402 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:40:04,402 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:40:04,403 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1) = -8*ULTIMATE.start_main_~i~1 + 9*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 Supporting invariants [] [2021-10-13 00:40:04,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:04,459 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-13 00:40:04,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:04,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:40:04,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:04,515 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:40:04,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:04,577 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 [2021-10-13 00:40:04,579 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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) [2021-10-13 00:40:04,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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 75 states and 110 transitions. Complement of second has 8 states. [2021-10-13 00:40:04,677 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 [2021-10-13 00:40:04,678 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) [2021-10-13 00:40:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 73 transitions. [2021-10-13 00:40:04,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 73 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-13 00:40:04,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:04,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 73 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:40:04,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:04,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 73 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-13 00:40:04,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:04,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 110 transitions. [2021-10-13 00:40:04,700 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:04,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 22 states and 30 transitions. [2021-10-13 00:40:04,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-13 00:40:04,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:40:04,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2021-10-13 00:40:04,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:04,707 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-13 00:40:04,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2021-10-13 00:40:04,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-13 00:40:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 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) [2021-10-13 00:40:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2021-10-13 00:40:04,734 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-13 00:40:04,734 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-13 00:40:04,735 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:40:04,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2021-10-13 00:40:04,737 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:04,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:04,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:04,738 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:40:04,738 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:04,738 INFO L791 eck$LassoCheckResult]: Stem: 173#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(10); 174#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 182#L37-3 assume !(main_~i~1 < 5); 187#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 188#L18-3 [2021-10-13 00:40:04,739 INFO L793 eck$LassoCheckResult]: Loop: 188#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 191#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 189#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 188#L18-3 [2021-10-13 00:40:04,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:04,740 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-10-13 00:40:04,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:04,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626907822] [2021-10-13 00:40:04,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:04,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:04,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:04,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626907822] [2021-10-13 00:40:04,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626907822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:40:04,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:40:04,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:40:04,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468008614] [2021-10-13 00:40:04,813 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:04,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:04,813 INFO L82 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 1 times [2021-10-13 00:40:04,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:04,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793609142] [2021-10-13 00:40:04,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:04,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:04,825 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:04,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:04,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:04,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:40:04,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:40:04,915 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 13 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) [2021-10-13 00:40:04,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:04,926 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2021-10-13 00:40:04,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:40:04,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-13 00:40:04,927 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:04,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2021-10-13 00:40:04,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:40:04,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:40:04,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2021-10-13 00:40:04,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:04,929 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-13 00:40:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2021-10-13 00:40:04,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-13 00:40:04,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 states have internal predecessors, (29), 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) [2021-10-13 00:40:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2021-10-13 00:40:04,932 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-13 00:40:04,932 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-13 00:40:04,932 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:40:04,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2021-10-13 00:40:04,933 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:04,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:04,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:04,934 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:40:04,934 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:04,934 INFO L791 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 225#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 233#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 222#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 223#L37-3 assume !(main_~i~1 < 5); 238#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 239#L18-3 [2021-10-13 00:40:04,934 INFO L793 eck$LassoCheckResult]: Loop: 239#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 242#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 240#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 239#L18-3 [2021-10-13 00:40:04,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:04,935 INFO L82 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-10-13 00:40:04,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:04,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822782706] [2021-10-13 00:40:04,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:04,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:04,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:04,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822782706] [2021-10-13 00:40:04,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822782706] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:04,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189939605] [2021-10-13 00:40:04,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:04,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:04,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:04,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:04,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 00:40:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:05,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:40:05,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:05,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189939605] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:05,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:05,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-13 00:40:05,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944682035] [2021-10-13 00:40:05,051 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:05,052 INFO L82 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 2 times [2021-10-13 00:40:05,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:05,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251521333] [2021-10-13 00:40:05,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:05,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,060 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,068 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:05,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:05,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:40:05,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:40:05,126 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-13 00:40:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:05,145 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2021-10-13 00:40:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:40:05,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-10-13 00:40:05,147 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:05,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 32 transitions. [2021-10-13 00:40:05,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:40:05,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:40:05,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2021-10-13 00:40:05,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:05,148 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-13 00:40:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2021-10-13 00:40:05,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-10-13 00:40:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 23 states have internal predecessors, (31), 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) [2021-10-13 00:40:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-10-13 00:40:05,151 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-13 00:40:05,151 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-13 00:40:05,151 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:40:05,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2021-10-13 00:40:05,152 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:05,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:05,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:05,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2021-10-13 00:40:05,153 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:05,153 INFO L791 eck$LassoCheckResult]: Stem: 294#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(10); 295#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 303#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 292#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 293#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 314#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 315#L37-3 assume !(main_~i~1 < 5); 308#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 309#L18-3 [2021-10-13 00:40:05,153 INFO L793 eck$LassoCheckResult]: Loop: 309#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 312#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 310#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 309#L18-3 [2021-10-13 00:40:05,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:05,153 INFO L82 PathProgramCache]: Analyzing trace with hash 265236367, now seen corresponding path program 2 times [2021-10-13 00:40:05,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:05,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282026000] [2021-10-13 00:40:05,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:05,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:05,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:05,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282026000] [2021-10-13 00:40:05,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282026000] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:05,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893436018] [2021-10-13 00:40:05,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:40:05,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:05,194 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:05,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 00:40:05,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:40:05,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:40:05,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:40:05,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:05,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893436018] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:05,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:05,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-13 00:40:05,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936869784] [2021-10-13 00:40:05,287 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:05,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:05,287 INFO L82 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 3 times [2021-10-13 00:40:05,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:05,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523594128] [2021-10-13 00:40:05,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:05,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,295 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,302 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:05,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:05,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:40:05,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:40:05,363 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-10-13 00:40:05,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:05,384 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2021-10-13 00:40:05,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:40:05,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-10-13 00:40:05,386 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:05,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2021-10-13 00:40:05,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:40:05,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:40:05,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2021-10-13 00:40:05,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:05,387 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-13 00:40:05,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2021-10-13 00:40:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2021-10-13 00:40:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 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) [2021-10-13 00:40:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-10-13 00:40:05,390 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-13 00:40:05,390 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-13 00:40:05,390 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:40:05,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2021-10-13 00:40:05,391 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:05,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:05,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:05,391 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1] [2021-10-13 00:40:05,391 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:05,392 INFO L791 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 376#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 384#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 373#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 374#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 395#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 398#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 397#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 396#L37-3 assume !(main_~i~1 < 5); 389#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 390#L18-3 [2021-10-13 00:40:05,392 INFO L793 eck$LassoCheckResult]: Loop: 390#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 393#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 391#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 390#L18-3 [2021-10-13 00:40:05,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:05,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1489134225, now seen corresponding path program 3 times [2021-10-13 00:40:05,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:05,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390505176] [2021-10-13 00:40:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:05,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:05,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:05,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:05,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390505176] [2021-10-13 00:40:05,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390505176] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:05,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713448055] [2021-10-13 00:40:05,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:40:05,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:05,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:05,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:05,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-13 00:40:05,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-13 00:40:05,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:40:05,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:40:05,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:05,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:05,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713448055] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:05,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:05,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-13 00:40:05,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245693697] [2021-10-13 00:40:05,578 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:05,579 INFO L82 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 4 times [2021-10-13 00:40:05,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:05,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497100093] [2021-10-13 00:40:05,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:05,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,585 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:05,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:05,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:40:05,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:40:05,657 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-10-13 00:40:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:05,680 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-10-13 00:40:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:40:05,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2021-10-13 00:40:05,681 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:05,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 36 transitions. [2021-10-13 00:40:05,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:40:05,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:40:05,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2021-10-13 00:40:05,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:05,685 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-13 00:40:05,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2021-10-13 00:40:05,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-10-13 00:40:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 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) [2021-10-13 00:40:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2021-10-13 00:40:05,694 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-10-13 00:40:05,694 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-10-13 00:40:05,694 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:40:05,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2021-10-13 00:40:05,696 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:05,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:05,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:05,697 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-10-13 00:40:05,697 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:05,697 INFO L791 eck$LassoCheckResult]: Stem: 467#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(10); 468#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 476#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 487#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 488#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 465#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 466#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 492#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 491#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 490#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 489#L37-3 assume !(main_~i~1 < 5); 481#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 482#L18-3 [2021-10-13 00:40:05,697 INFO L793 eck$LassoCheckResult]: Loop: 482#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 485#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 483#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 482#L18-3 [2021-10-13 00:40:05,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:05,698 INFO L82 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 4 times [2021-10-13 00:40:05,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:05,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053084551] [2021-10-13 00:40:05,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:05,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:05,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:05,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053084551] [2021-10-13 00:40:05,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053084551] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:05,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030413466] [2021-10-13 00:40:05,806 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 00:40:05,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:05,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:05,807 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:05,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-13 00:40:05,872 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 00:40:05,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:40:05,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:40:05,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:05,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030413466] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:05,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:05,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-13 00:40:05,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064372100] [2021-10-13 00:40:05,928 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:05,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:05,934 INFO L82 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 5 times [2021-10-13 00:40:05,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:05,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872066084] [2021-10-13 00:40:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:05,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,949 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:05,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:06,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:06,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:40:06,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:40:06,038 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 12 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) [2021-10-13 00:40:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:06,060 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2021-10-13 00:40:06,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:40:06,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2021-10-13 00:40:06,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:06,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2021-10-13 00:40:06,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:40:06,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:40:06,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2021-10-13 00:40:06,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:06,067 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-13 00:40:06,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2021-10-13 00:40:06,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-13 00:40:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 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) [2021-10-13 00:40:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-10-13 00:40:06,071 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-13 00:40:06,071 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-13 00:40:06,071 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:40:06,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2021-10-13 00:40:06,072 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-13 00:40:06,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:06,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:06,073 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2021-10-13 00:40:06,073 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:06,073 INFO L791 eck$LassoCheckResult]: Stem: 569#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(10); 570#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 578#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 567#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 568#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 589#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 596#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 595#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 594#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 593#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 592#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 591#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 590#L37-3 assume !(main_~i~1 < 5); 583#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 584#L18-3 [2021-10-13 00:40:06,073 INFO L793 eck$LassoCheckResult]: Loop: 584#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 587#L20 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 585#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 584#L18-3 [2021-10-13 00:40:06,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:06,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 5 times [2021-10-13 00:40:06,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:06,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958399056] [2021-10-13 00:40:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:06,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:06,102 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:06,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:06,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:06,142 INFO L82 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 6 times [2021-10-13 00:40:06,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:06,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990782581] [2021-10-13 00:40:06,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:06,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:06,147 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:06,152 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1638582855, now seen corresponding path program 1 times [2021-10-13 00:40:06,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:06,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816540447] [2021-10-13 00:40:06,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:06,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:06,198 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:06,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:07,596 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:40:07,596 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:40:07,596 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:40:07,596 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:40:07,596 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:40:07,596 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:07,596 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:40:07,596 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:40:07,596 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration7_Lasso [2021-10-13 00:40:07,597 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:40:07,597 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:40:07,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:07,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:08,172 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:40:08,172 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:40:08,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,174 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:40:08,194 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 [2021-10-13 00:40:08,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,230 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:40:08,231 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 [2021-10-13 00:40:08,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,261 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:40:08,265 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 [2021-10-13 00:40:08,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:08,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:08,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,297 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:40:08,303 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 [2021-10-13 00:40:08,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,345 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,348 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 [2021-10-13 00:40:08,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:40:08,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,392 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:40:08,393 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 [2021-10-13 00:40:08,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-13 00:40:08,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,426 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:40:08,430 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 [2021-10-13 00:40:08,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:08,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:08,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,517 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:40:08,520 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 [2021-10-13 00:40:08,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-10-13 00:40:08,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,557 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:40:08,559 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 [2021-10-13 00:40:08,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,632 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:40:08,636 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 [2021-10-13 00:40:08,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:08,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:08,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,669 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:40:08,671 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 [2021-10-13 00:40:08,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,701 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,702 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 [2021-10-13 00:40:08,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:40:08,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:08,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:08,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,777 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:40:08,778 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 [2021-10-13 00:40:08,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,807 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:40:08,809 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 [2021-10-13 00:40:08,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-13 00:40:08,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,865 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,876 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 [2021-10-13 00:40:08,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:40:08,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,918 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,919 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 [2021-10-13 00:40:08,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:40:08,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 00:40:08,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,951 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:40:08,953 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 [2021-10-13 00:40:08,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:08,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:08,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:08,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:08,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:08,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:08,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:08,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:08,986 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:08,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:40:08,991 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 [2021-10-13 00:40:08,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:08,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:08,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:08,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:09,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:09,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:09,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:09,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 00:40:09,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:09,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:09,034 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:09,035 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 [2021-10-13 00:40:09,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:40:09,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:09,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:09,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:09,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:09,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:09,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:09,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:09,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:09,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:09,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:09,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:09,081 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:09,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:40:09,083 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 [2021-10-13 00:40:09,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:09,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:09,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:09,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:09,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:09,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:09,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:09,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:09,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 00:40:09,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:09,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:09,116 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:09,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:40:09,117 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 [2021-10-13 00:40:09,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:09,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:09,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:09,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:09,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:09,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:09,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:09,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 00:40:09,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:09,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:09,171 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:09,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:40:09,172 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 [2021-10-13 00:40:09,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:09,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:09,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:09,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:09,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:09,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:09,209 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:40:09,246 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 00:40:09,246 INFO L444 ModelExtractionUtils]: 11 out of 25 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-13 00:40:09,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:09,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:09,248 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:09,254 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:40:09,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:40:09,263 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:40:09,263 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:40:09,263 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sep_~x.base)_1, ULTIMATE.start_sep_~i~0) = 9*v_rep(select #length ULTIMATE.start_sep_~x.base)_1 - 8*ULTIMATE.start_sep_~i~0 Supporting invariants [] [2021-10-13 00:40:09,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:09,306 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-13 00:40:09,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:09,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:40:09,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:09,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:40:09,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:09,421 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 [2021-10-13 00:40:09,421 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-13 00:40:09,440 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 35 states and 46 transitions. Complement of second has 7 states. [2021-10-13 00:40:09,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:40:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-13 00:40:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-13 00:40:09,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-13 00:40:09,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:09,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-13 00:40:09,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:09,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 00:40:09,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:09,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2021-10-13 00:40:09,443 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:09,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 31 states and 39 transitions. [2021-10-13 00:40:09,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-13 00:40:09,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-13 00:40:09,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2021-10-13 00:40:09,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:09,445 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2021-10-13 00:40:09,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2021-10-13 00:40:09,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-13 00:40:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 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) [2021-10-13 00:40:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2021-10-13 00:40:09,447 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2021-10-13 00:40:09,447 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2021-10-13 00:40:09,447 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 00:40:09,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2021-10-13 00:40:09,448 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:09,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:09,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:09,449 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:09,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:09,449 INFO L791 eck$LassoCheckResult]: Stem: 753#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(10); 754#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 762#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 751#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 752#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 774#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 781#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 780#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 779#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 778#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 777#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 776#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 775#L37-3 assume !(main_~i~1 < 5); 767#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 768#L18-3 assume !(sep_~i~0 < 5); 771#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 755#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 756#L18-8 [2021-10-13 00:40:09,449 INFO L793 eck$LassoCheckResult]: Loop: 756#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 766#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 773#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 756#L18-8 [2021-10-13 00:40:09,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:09,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1638581187, now seen corresponding path program 1 times [2021-10-13 00:40:09,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:09,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641199935] [2021-10-13 00:40:09,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:09,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-13 00:40:09,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:09,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641199935] [2021-10-13 00:40:09,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641199935] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:40:09,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:40:09,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:40:09,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362500827] [2021-10-13 00:40:09,475 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:09,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:09,475 INFO L82 PathProgramCache]: Analyzing trace with hash 74576, now seen corresponding path program 1 times [2021-10-13 00:40:09,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:09,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312783517] [2021-10-13 00:40:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:09,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:09,481 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:09,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:09,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:09,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:40:09,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:40:09,534 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-13 00:40:09,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:09,553 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-10-13 00:40:09,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:40:09,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-10-13 00:40:09,554 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:09,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-10-13 00:40:09,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-13 00:40:09,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-13 00:40:09,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-10-13 00:40:09,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:09,555 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-13 00:40:09,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-10-13 00:40:09,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2021-10-13 00:40:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-10-13 00:40:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2021-10-13 00:40:09,558 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-13 00:40:09,558 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-13 00:40:09,558 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 00:40:09,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2021-10-13 00:40:09,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:09,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:09,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:09,559 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:09,559 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:09,560 INFO L791 eck$LassoCheckResult]: Stem: 829#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(10); 830#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 838#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 827#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 828#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 851#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 858#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 857#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 856#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 855#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 854#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 853#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 852#L37-3 assume !(main_~i~1 < 5); 843#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 844#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 847#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 845#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 846#L18-3 assume !(sep_~i~0 < 5); 848#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 831#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 832#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 841#L20-2 [2021-10-13 00:40:09,560 INFO L793 eck$LassoCheckResult]: Loop: 841#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 849#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 850#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 841#L20-2 [2021-10-13 00:40:09,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1567455174, now seen corresponding path program 1 times [2021-10-13 00:40:09,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:09,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449839351] [2021-10-13 00:40:09,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:09,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-13 00:40:09,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:09,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449839351] [2021-10-13 00:40:09,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449839351] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:09,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355437266] [2021-10-13 00:40:09,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:09,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:09,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:09,601 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:09,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-10-13 00:40:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:09,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:40:09,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-13 00:40:09,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355437266] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:09,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:09,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-13 00:40:09,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317197361] [2021-10-13 00:40:09,743 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:09,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:09,744 INFO L82 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 2 times [2021-10-13 00:40:09,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:09,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123621169] [2021-10-13 00:40:09,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:09,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:09,757 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:09,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:09,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:09,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:40:09,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:40:09,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:09,869 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-10-13 00:40:09,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:09,913 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2021-10-13 00:40:09,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:40:09,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2021-10-13 00:40:09,915 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:09,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 61 transitions. [2021-10-13 00:40:09,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-13 00:40:09,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-13 00:40:09,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 61 transitions. [2021-10-13 00:40:09,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:09,923 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 61 transitions. [2021-10-13 00:40:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 61 transitions. [2021-10-13 00:40:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2021-10-13 00:40:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 states have internal predecessors, (47), 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) [2021-10-13 00:40:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2021-10-13 00:40:09,931 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2021-10-13 00:40:09,931 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2021-10-13 00:40:09,931 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 00:40:09,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2021-10-13 00:40:09,931 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:09,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:09,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:09,935 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:09,935 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:09,936 INFO L791 eck$LassoCheckResult]: Stem: 977#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(10); 978#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 986#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 975#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 976#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1002#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1011#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1010#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1009#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1008#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1007#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1006#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1005#L37-3 assume !(main_~i~1 < 5); 992#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 993#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 997#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1003#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 998#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 999#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 994#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 995#L18-3 assume !(sep_~i~0 < 5); 1000#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 979#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 980#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1012#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1001#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 989#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 990#L20-2 [2021-10-13 00:40:09,936 INFO L793 eck$LassoCheckResult]: Loop: 990#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 996#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1004#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 990#L20-2 [2021-10-13 00:40:09,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:09,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1248848095, now seen corresponding path program 1 times [2021-10-13 00:40:09,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:09,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103475662] [2021-10-13 00:40:09,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:09,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:40:10,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:10,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103475662] [2021-10-13 00:40:10,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103475662] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:10,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484229661] [2021-10-13 00:40:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:10,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:10,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:10,038 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:10,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-10-13 00:40:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:10,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:40:10,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:40:10,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484229661] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:10,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:10,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-13 00:40:10,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264139027] [2021-10-13 00:40:10,197 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:10,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:10,197 INFO L82 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 3 times [2021-10-13 00:40:10,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:10,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358802299] [2021-10-13 00:40:10,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:10,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:10,214 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:10,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:10,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:10,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:40:10,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:40:10,287 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 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) [2021-10-13 00:40:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:10,338 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2021-10-13 00:40:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:40:10,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 73 transitions. [2021-10-13 00:40:10,340 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:10,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 73 transitions. [2021-10-13 00:40:10,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-13 00:40:10,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-13 00:40:10,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 73 transitions. [2021-10-13 00:40:10,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:10,343 INFO L681 BuchiCegarLoop]: Abstraction has 57 states and 73 transitions. [2021-10-13 00:40:10,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 73 transitions. [2021-10-13 00:40:10,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2021-10-13 00:40:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.25) internal successors, (55), 43 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) [2021-10-13 00:40:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2021-10-13 00:40:10,351 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 55 transitions. [2021-10-13 00:40:10,351 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 55 transitions. [2021-10-13 00:40:10,351 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-13 00:40:10,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 55 transitions. [2021-10-13 00:40:10,352 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:10,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:10,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:10,353 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:10,353 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:10,353 INFO L791 eck$LassoCheckResult]: Stem: 1159#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(10); 1160#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1168#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1157#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1158#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1185#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1197#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1196#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1195#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1194#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1193#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1192#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1191#L37-3 assume !(main_~i~1 < 5); 1174#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1175#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1178#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1200#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1199#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1186#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1176#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1177#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1179#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1188#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1187#L18-3 assume !(sep_~i~0 < 5); 1180#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1161#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1162#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1198#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1183#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1184#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1181#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1182#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1171#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1172#L20-2 [2021-10-13 00:40:10,353 INFO L793 eck$LassoCheckResult]: Loop: 1172#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1190#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1189#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1172#L20-2 [2021-10-13 00:40:10,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:10,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1685621030, now seen corresponding path program 2 times [2021-10-13 00:40:10,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:10,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339790495] [2021-10-13 00:40:10,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:10,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 00:40:10,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:10,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339790495] [2021-10-13 00:40:10,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339790495] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:10,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485378252] [2021-10-13 00:40:10,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:40:10,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:10,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:10,404 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:10,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-10-13 00:40:10,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:40:10,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:40:10,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:40:10,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 00:40:10,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485378252] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:10,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:10,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-13 00:40:10,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185934076] [2021-10-13 00:40:10,602 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:10,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:10,602 INFO L82 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 4 times [2021-10-13 00:40:10,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:10,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51143533] [2021-10-13 00:40:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:10,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:10,608 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:10,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:10,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:10,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:40:10,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:40:10,663 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. cyclomatic complexity: 16 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) [2021-10-13 00:40:10,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:10,721 INFO L93 Difference]: Finished difference Result 66 states and 85 transitions. [2021-10-13 00:40:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:40:10,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 85 transitions. [2021-10-13 00:40:10,723 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:10,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 66 states and 85 transitions. [2021-10-13 00:40:10,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-10-13 00:40:10,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-13 00:40:10,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2021-10-13 00:40:10,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:10,724 INFO L681 BuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2021-10-13 00:40:10,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2021-10-13 00:40:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 50. [2021-10-13 00:40:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.26) internal successors, (63), 49 states have internal predecessors, (63), 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) [2021-10-13 00:40:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2021-10-13 00:40:10,727 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 63 transitions. [2021-10-13 00:40:10,727 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 63 transitions. [2021-10-13 00:40:10,727 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-13 00:40:10,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 63 transitions. [2021-10-13 00:40:10,728 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:10,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:10,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:10,729 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:10,729 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:10,729 INFO L791 eck$LassoCheckResult]: Stem: 1375#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(10); 1376#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1384#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1373#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1374#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1399#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1412#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1411#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1410#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1409#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1408#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1407#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1406#L37-3 assume !(main_~i~1 < 5); 1390#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1391#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1394#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1392#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1393#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1395#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1422#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1421#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1420#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1419#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1418#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1401#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1402#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1400#L18-3 assume !(sep_~i~0 < 5); 1396#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1377#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1378#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1397#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1398#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1387#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1388#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1417#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1416#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1415#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1414#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1413#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1404#L20-2 [2021-10-13 00:40:10,729 INFO L793 eck$LassoCheckResult]: Loop: 1404#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1405#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1403#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1404#L20-2 [2021-10-13 00:40:10,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:10,730 INFO L82 PathProgramCache]: Analyzing trace with hash -534676351, now seen corresponding path program 3 times [2021-10-13 00:40:10,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:10,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487913390] [2021-10-13 00:40:10,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:10,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-13 00:40:10,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:10,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487913390] [2021-10-13 00:40:10,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487913390] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:10,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110004776] [2021-10-13 00:40:10,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:40:10,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:10,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:10,837 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:10,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-10-13 00:40:11,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-13 00:40:11,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:40:11,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:40:11,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-13 00:40:11,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110004776] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:11,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:40:11,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-13 00:40:11,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91156331] [2021-10-13 00:40:11,141 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:40:11,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:11,142 INFO L82 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 5 times [2021-10-13 00:40:11,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:11,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343668988] [2021-10-13 00:40:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:11,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:11,149 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:11,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:11,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:11,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:40:11,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:40:11,207 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-10-13 00:40:11,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:11,274 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2021-10-13 00:40:11,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:40:11,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 88 transitions. [2021-10-13 00:40:11,275 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:11,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 88 transitions. [2021-10-13 00:40:11,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-13 00:40:11,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-13 00:40:11,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2021-10-13 00:40:11,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:11,277 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2021-10-13 00:40:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2021-10-13 00:40:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2021-10-13 00:40:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 55 states have internal predecessors, (71), 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) [2021-10-13 00:40:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2021-10-13 00:40:11,280 INFO L704 BuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2021-10-13 00:40:11,281 INFO L587 BuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2021-10-13 00:40:11,281 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-13 00:40:11,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 71 transitions. [2021-10-13 00:40:11,281 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:40:11,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:11,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:11,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:11,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:11,283 INFO L791 eck$LassoCheckResult]: Stem: 1619#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(10); 1620#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1628#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1617#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1618#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1643#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1672#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1671#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1670#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1669#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1668#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1667#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1666#L37-3 assume !(main_~i~1 < 5); 1634#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1635#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1638#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1636#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1637#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1639#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1663#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1661#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1659#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1657#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1655#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1653#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1651#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1650#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1645#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1646#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1644#L18-3 assume !(sep_~i~0 < 5); 1640#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1621#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1622#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1641#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1642#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1631#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1632#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1665#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1664#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1662#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1660#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1658#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1656#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1654#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1652#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1648#L20-2 [2021-10-13 00:40:11,283 INFO L793 eck$LassoCheckResult]: Loop: 1648#L20-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1649#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1647#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1648#L20-2 [2021-10-13 00:40:11,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:11,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1616244090, now seen corresponding path program 4 times [2021-10-13 00:40:11,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:11,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598304130] [2021-10-13 00:40:11,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:11,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:11,405 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:11,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:11,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:11,519 INFO L82 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 6 times [2021-10-13 00:40:11,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:11,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875374765] [2021-10-13 00:40:11,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:11,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:11,524 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:11,531 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:11,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:11,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1350622481, now seen corresponding path program 1 times [2021-10-13 00:40:11,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:11,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573529369] [2021-10-13 00:40:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:11,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 00:40:11,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:11,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573529369] [2021-10-13 00:40:11,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573529369] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:40:11,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479563995] [2021-10-13 00:40:11,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:11,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:40:11,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:11,673 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:40:11,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-10-13 00:40:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:11,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:40:11,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 00:40:11,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479563995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:40:11,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:40:11,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-10-13 00:40:11,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423840851] [2021-10-13 00:40:11,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:11,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:40:11,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:40:11,982 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-10-13 00:40:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:12,057 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2021-10-13 00:40:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:40:12,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 85 transitions. [2021-10-13 00:40:12,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:40:12,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 52 states and 63 transitions. [2021-10-13 00:40:12,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-13 00:40:12,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-13 00:40:12,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2021-10-13 00:40:12,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:12,060 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-13 00:40:12,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2021-10-13 00:40:12,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-13 00:40:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 51 states have internal predecessors, (63), 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) [2021-10-13 00:40:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2021-10-13 00:40:12,063 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-13 00:40:12,063 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-13 00:40:12,063 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-13 00:40:12,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 63 transitions. [2021-10-13 00:40:12,064 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:40:12,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:12,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:12,065 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:12,065 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:40:12,066 INFO L791 eck$LassoCheckResult]: Stem: 1899#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(10); 1900#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1906#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1897#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1898#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1917#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1932#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1930#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1928#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1926#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1924#L37-3 assume !!(main_~i~1 < 5);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1921#L37-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1920#L37-3 assume !(main_~i~1 < 5); 1909#L37-4 sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1910#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1948#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1911#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1912#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1913#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1918#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1947#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1946#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1945#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1944#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1943#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1942#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1941#L18-3 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1940#L20 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1939#L18-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1938#L18-3 assume !(sep_~i~0 < 5); 1914#L18-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1901#L25 main_#t~ret9 := sep_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1902#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1907#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1915#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1916#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1937#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1936#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1935#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1934#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1933#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1931#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1929#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1927#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1925#L18-8 assume !!(sep_~i~0 < 5);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1923#L20-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1922#L18-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1919#L18-8 assume !(sep_~i~0 < 5); 1908#L18-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1903#L25-1 main_#t~ret12 := sep_#res;main_~ret2~0 := main_#t~ret12;havoc main_#t~ret12;call main_#t~mem13 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem13;havoc main_#t~mem13;main_~i~2 := 0; 1904#L46-3 [2021-10-13 00:40:12,066 INFO L793 eck$LassoCheckResult]: Loop: 1904#L46-3 assume !!(main_~i~2 < 4);call main_#t~mem15 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~2), 4);call write~int(main_#t~mem15, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~2, 4);havoc main_#t~mem15; 1905#L46-2 main_#t~post14 := main_~i~2;main_~i~2 := 1 + main_#t~post14;havoc main_#t~post14; 1904#L46-3 [2021-10-13 00:40:12,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:12,067 INFO L82 PathProgramCache]: Analyzing trace with hash -866233935, now seen corresponding path program 1 times [2021-10-13 00:40:12,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:12,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161067266] [2021-10-13 00:40:12,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:12,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:12,163 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:12,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:12,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:12,266 INFO L82 PathProgramCache]: Analyzing trace with hash 3075, now seen corresponding path program 1 times [2021-10-13 00:40:12,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:12,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627406570] [2021-10-13 00:40:12,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:12,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:12,271 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:12,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:12,304 INFO L82 PathProgramCache]: Analyzing trace with hash 772846003, now seen corresponding path program 1 times [2021-10-13 00:40:12,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:12,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518963599] [2021-10-13 00:40:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:12,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:12,388 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:12,469 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:17,616 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:40:17,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:40:17,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:40:17,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:40:17,616 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:40:17,616 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:17,616 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:40:17,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:40:17,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration14_Lasso [2021-10-13 00:40:17,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:40:17,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:40:17,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:17,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:18,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:18,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:18,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:40:18,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:40:18,961 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:40:18,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:18,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:18,965 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:18,974 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 [2021-10-13 00:40:18,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:18,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:18,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:18,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:18,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:18,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:18,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:18,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:40:18,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,036 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:40:19,039 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 [2021-10-13 00:40:19,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,073 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:40:19,075 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 [2021-10-13 00:40:19,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,107 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:40:19,108 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 [2021-10-13 00:40:19,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 00:40:19,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,140 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:40:19,141 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 [2021-10-13 00:40:19,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,174 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:40:19,176 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 [2021-10-13 00:40:19,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,247 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:40:19,249 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 [2021-10-13 00:40:19,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 00:40:19,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,278 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 00:40:19,279 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 [2021-10-13 00:40:19,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,314 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:40:19,315 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 [2021-10-13 00:40:19,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,347 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:40:19,348 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 [2021-10-13 00:40:19,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,378 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,379 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 [2021-10-13 00:40:19,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:40:19,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,409 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:40:19,410 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 [2021-10-13 00:40:19,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-13 00:40:19,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,438 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 00:40:19,440 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 [2021-10-13 00:40:19,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-13 00:40:19,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,468 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 00:40:19,469 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 [2021-10-13 00:40:19,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-13 00:40:19,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,498 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,500 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 [2021-10-13 00:40:19,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 00:40:19,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-13 00:40:19,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,539 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 00:40:19,541 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 [2021-10-13 00:40:19,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-13 00:40:19,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,575 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 00:40:19,576 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 [2021-10-13 00:40:19,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-13 00:40:19,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,605 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 00:40:19,607 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 [2021-10-13 00:40:19,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-13 00:40:19,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,637 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 00:40:19,639 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 [2021-10-13 00:40:19,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,671 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,678 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 [2021-10-13 00:40:19,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 00:40:19,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,747 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 00:40:19,749 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 [2021-10-13 00:40:19,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,810 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,811 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 [2021-10-13 00:40:19,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 00:40:19,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,850 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 00:40:19,852 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 [2021-10-13 00:40:19,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-13 00:40:19,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,882 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 00:40:19,883 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 [2021-10-13 00:40:19,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-13 00:40:19,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,914 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 00:40:19,916 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 [2021-10-13 00:40:19,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:19,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,948 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 00:40:19,949 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 [2021-10-13 00:40:19,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:19,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:19,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:19,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:19,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:19,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:19,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:19,979 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:19,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 00:40:19,982 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 [2021-10-13 00:40:19,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:19,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:19,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:19,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:19,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:19,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:20,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:20,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-13 00:40:20,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,028 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 00:40:20,029 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 [2021-10-13 00:40:20,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:20,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:20,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:20,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:20,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:20,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:20,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:20,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:20,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,097 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,099 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 [2021-10-13 00:40:20,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:20,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:20,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:20,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:20,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:20,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:20,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:20,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 00:40:20,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:20,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:20,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,148 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 00:40:20,149 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 [2021-10-13 00:40:20,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:20,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:20,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:20,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:20,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:20,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:20,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:20,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-13 00:40:20,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,180 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 00:40:20,181 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 [2021-10-13 00:40:20,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:20,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:20,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:20,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:20,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:20,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:20,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:20,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:20,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:20,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,211 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 00:40:20,212 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 [2021-10-13 00:40:20,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:20,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:20,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:20,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:20,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:20,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:20,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:20,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-13 00:40:20,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,250 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 00:40:20,252 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 [2021-10-13 00:40:20,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:20,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:20,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:20,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:20,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:20,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:20,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:20,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:20,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,288 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 00:40:20,289 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 [2021-10-13 00:40:20,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:20,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:20,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:20,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:20,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:20,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:20,337 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:40:20,370 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 00:40:20,370 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-13 00:40:20,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:20,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:20,373 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:20,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 00:40:20,375 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:40:20,382 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:40:20,382 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:40:20,382 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2) = -2*ULTIMATE.start_main_~i~2 + 7 Supporting invariants [] [2021-10-13 00:40:20,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:20,588 INFO L297 tatePredicateManager]: 48 out of 48 supporting invariants were superfluous and have been removed [2021-10-13 00:40:20,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:20,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:40:20,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-13 00:40:20,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:20,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:40:20,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:20,823 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 [2021-10-13 00:40:20,823 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-10-13 00:40:20,831 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) Result 54 states and 66 transitions. Complement of second has 4 states. [2021-10-13 00:40:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:40:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-10-13 00:40:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2021-10-13 00:40:20,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 2 letters. [2021-10-13 00:40:20,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:20,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 52 letters. Loop has 2 letters. [2021-10-13 00:40:20,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:20,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 4 letters. [2021-10-13 00:40:20,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:20,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2021-10-13 00:40:20,835 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:40:20,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2021-10-13 00:40:20,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:40:20,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:40:20,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:40:20,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:20,835 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:20,835 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:20,835 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:20,835 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-13 00:40:20,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:40:20,836 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:40:20,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:40:20,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:40:20 BoogieIcfgContainer [2021-10-13 00:40:20,842 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:40:20,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:40:20,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:40:20,843 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:40:20,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:02" (3/4) ... [2021-10-13 00:40:20,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:40:20,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:40:20,848 INFO L168 Benchmark]: Toolchain (without parser) took 19360.58 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 62.0 MB in the beginning and 116.1 MB in the end (delta: -54.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:20,848 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory was 78.3 MB in the beginning and 78.2 MB in the end (delta: 60.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:20,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.03 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 73.4 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:20,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.99 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 71.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:20,850 INFO L168 Benchmark]: Boogie Preprocessor took 60.91 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 70.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:20,850 INFO L168 Benchmark]: RCFGBuilder took 413.14 ms. Allocated memory is still 98.6 MB. Free memory was 70.1 MB in the beginning and 57.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:20,850 INFO L168 Benchmark]: BuchiAutomizer took 18517.29 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 57.6 MB in the beginning and 116.1 MB in the end (delta: -58.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:20,851 INFO L168 Benchmark]: Witness Printer took 4.07 ms. Allocated memory is still 182.5 MB. Free memory is still 116.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:20,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory was 78.3 MB in the beginning and 78.2 MB in the end (delta: 60.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.03 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 73.4 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.99 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 71.6 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.91 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 70.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 413.14 ms. Allocated memory is still 98.6 MB. Free memory was 70.1 MB in the beginning and 57.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 18517.29 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 57.6 MB in the beginning and 116.1 MB in the end (delta: -58.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.07 ms. Allocated memory is still 182.5 MB. Free memory is still 116.1 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 14 terminating modules (11 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 9 * unknown-#length-unknown[x] + -8 * i and consists of 5 locations. One deterministic module has affine ranking function -8 * i + 9 * unknown-#length-unknown[x] and consists of 4 locations. One deterministic module has affine ranking function 7 + -2 * i and consists of 3 locations. 11 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.4s and 15 iterations. TraceHistogramMax:5. Analysis of lassos took 17.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 14. Minimization of nondet autom 0. Automata minimization 62.1ms AutomataMinimizationTime, 13 MinimizatonAttempts, 63 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 56 states and ocurred in iteration 12. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 334 SDtfs, 332 SDslu, 505 SDs, 0 SdLazy, 319 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 299.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU10 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital260 mio100 ax100 hnf100 lsp93 ukn52 mio100 lsp44 div100 bol100 ite100 ukn100 eq162 hnf91 smp93 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2021-10-13 00:40:20,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:21,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2021-10-13 00:40:21,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2021-10-13 00:40:21,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-10-13 00:40:21,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2021-10-13 00:40:21,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-13 00:40:22,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-13 00:40:22,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-13 00:40:22,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:22,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40624a6c-cbd3-40c8-9682-4b01691edc12/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...