./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:09:54,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:09:54,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:09:54,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:09:54,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:09:54,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:09:54,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:09:54,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:09:54,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:09:54,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:09:54,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:09:54,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:09:55,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:09:55,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:09:55,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:09:55,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:09:55,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:09:55,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:09:55,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:09:55,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:09:55,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:09:55,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:09:55,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:09:55,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:09:55,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:09:55,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:09:55,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:09:55,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:09:55,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:09:55,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:09:55,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:09:55,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:09:55,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:09:55,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:09:55,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:09:55,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:09:55,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:09:55,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:09:55,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:09:55,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:09:55,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:09:55,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:09:55,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:09:55,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:09:55,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:09:55,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:09:55,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:09:55,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:09:55,120 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:09:55,121 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:09:55,121 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:09:55,121 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:09:55,122 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:09:55,122 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:09:55,123 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:09:55,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:09:55,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:09:55,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:09:55,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:09:55,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:09:55,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:09:55,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:09:55,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:09:55,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:09:55,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:09:55,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:09:55,125 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:09:55,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:09:55,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:09:55,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:09:55,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:09:55,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:09:55,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:09:55,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:09:55,131 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:09:55,131 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_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac [2021-10-28 09:09:55,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:09:55,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:09:55,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:09:55,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:09:55,471 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:09:55,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/reducercommutativity/sep.i [2021-10-28 09:09:55,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/data/bbf491fc0/e6971e16ef7946a3896fa8939ee29253/FLAG1a946a916 [2021-10-28 09:09:56,100 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:09:56,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/sv-benchmarks/c/reducercommutativity/sep.i [2021-10-28 09:09:56,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/data/bbf491fc0/e6971e16ef7946a3896fa8939ee29253/FLAG1a946a916 [2021-10-28 09:09:56,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/data/bbf491fc0/e6971e16ef7946a3896fa8939ee29253 [2021-10-28 09:09:56,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:09:56,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:09:56,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:09:56,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:09:56,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:09:56,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658f0533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56, skipping insertion in model container [2021-10-28 09:09:56,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:09:56,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:09:56,724 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_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-10-28 09:09:56,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:09:56,740 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:09:56,795 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_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-10-28 09:09:56,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:09:56,818 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:09:56,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56 WrapperNode [2021-10-28 09:09:56,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:09:56,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:09:56,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:09:56,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:09:56,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:09:56,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:09:56,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:09:56,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:09:56,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:09:56,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:09:56,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:09:56,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:09:56,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (1/1) ... [2021-10-28 09:09:56,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:09:56,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:09:56,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:09:57,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:09:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:09:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:09:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:09:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:09:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:09:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:09:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:09:57,481 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:09:57,482 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 09:09:57,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:09:57 BoogieIcfgContainer [2021-10-28 09:09:57,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:09:57,485 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:09:57,485 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:09:57,499 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:09:57,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:09:57,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:09:56" (1/3) ... [2021-10-28 09:09:57,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ea890c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:09:57, skipping insertion in model container [2021-10-28 09:09:57,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:09:57,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:09:56" (2/3) ... [2021-10-28 09:09:57,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ea890c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:09:57, skipping insertion in model container [2021-10-28 09:09:57,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:09:57,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:09:57" (3/3) ... [2021-10-28 09:09:57,505 INFO L389 chiAutomizerObserver]: Analyzing ICFG sep.i [2021-10-28 09:09:57,570 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:09:57,571 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:09:57,571 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:09:57,571 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:09:57,571 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:09:57,572 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:09:57,572 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:09:57,572 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:09:57,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 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) [2021-10-28 09:09:57,618 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 09:09:57,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:09:57,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:09:57,625 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:09:57,626 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:09:57,626 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:09:57,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 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) [2021-10-28 09:09:57,633 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-28 09:09:57,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:09:57,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:09:57,634 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:09:57,634 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:09:57,642 INFO L791 eck$LassoCheckResult]: Stem: 17#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 9#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 21#L34true assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 23#L20-3true [2021-10-28 09:09:57,643 INFO L793 eck$LassoCheckResult]: Loop: 23#L20-3true assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 15#L22true 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; 16#L20-2true sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 23#L20-3true [2021-10-28 09:09:57,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:57,652 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-10-28 09:09:57,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:57,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585257331] [2021-10-28 09:09:57,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:57,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:09:57,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:09:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:09:57,896 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:09:57,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:57,904 INFO L85 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2021-10-28 09:09:57,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:57,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3074483] [2021-10-28 09:09:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:57,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:09:57,935 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:09:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:09:57,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:09:57,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:09:57,968 INFO L85 PathProgramCache]: Analyzing trace with hash 889512687, now seen corresponding path program 1 times [2021-10-28 09:09:57,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:09:57,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847264647] [2021-10-28 09:09:57,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:09:57,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:09:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:09:58,028 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:09:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:09:58,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:09:59,104 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:09:59,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:09:59,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:09:59,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:09:59,106 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:09:59,106 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:09:59,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:09:59,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:09:59,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration1_Lasso [2021-10-28 09:09:59,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:09:59,107 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:09:59,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:09:59,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:00,203 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:00,208 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:00,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:10:00,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:10:00,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:10:00,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:10:00,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,482 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:10:00,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:00,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:00,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 09:10:00,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,568 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:10:00,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:10:00,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:10:00,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,820 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:00,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:10:00,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,879 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:10:00,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:00,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:00,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:00,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:00,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:00,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:00,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:00,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:10:00,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:00,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:00,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:00,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:00,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:00,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:00,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:00,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:01,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:01,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:01,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:01,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:01,054 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:01,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:10:01,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:01,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:01,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:01,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:01,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:01,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:01,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:01,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:01,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-28 09:10:01,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:01,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:01,106 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:01,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:10:01,108 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 [2021-10-28 09:10:01,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:01,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:01,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:01,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:01,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:01,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:01,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:01,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:01,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:01,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:01,142 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:01,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:10:01,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:01,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:01,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:01,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:01,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:01,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:01,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:01,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:01,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:01,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:01,206 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:01,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:01,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:01,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:01,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:01,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:01,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:01,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:01,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:01,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:10:01,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:01,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:01,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:01,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:01,272 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:01,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:01,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:01,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:01,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:01,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:01,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:01,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:01,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:10:01,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:01,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:01,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:01,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:01,337 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:01,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:10:01,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:01,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:01,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:01,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:01,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:01,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:01,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:01,376 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:01,407 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:10:01,408 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 09:10:01,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:01,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:01,411 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:10:01,429 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:01,456 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:10:01,456 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:01,457 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~x.offset, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1, ULTIMATE.start_sep_~i~0) = -1*ULTIMATE.start_sep_~x.offset + 1*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 - 4*ULTIMATE.start_sep_~i~0 Supporting invariants [] [2021-10-28 09:10:01,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:01,630 INFO L297 tatePredicateManager]: 37 out of 38 supporting invariants were superfluous and have been removed [2021-10-28 09:10:01,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:01,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:10:01,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:01,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:10:01,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:01,845 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:10:01,846 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:01,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 57 states and 81 transitions. Complement of second has 8 states. [2021-10-28 09:10:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:10:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2021-10-28 09:10:01,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-28 09:10:01,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:01,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 09:10:01,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:01,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-28 09:10:01,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:01,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 81 transitions. [2021-10-28 09:10:01,952 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:01,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 20 states and 29 transitions. [2021-10-28 09:10:01,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 09:10:01,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 09:10:01,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-10-28 09:10:01,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:01,962 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:10:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-10-28 09:10:01,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 09:10:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-10-28 09:10:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-10-28 09:10:01,990 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:10:01,991 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:10:01,991 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:10:01,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-10-28 09:10:01,994 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:01,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:01,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:01,995 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:10:01,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:01,995 INFO L791 eck$LassoCheckResult]: Stem: 287#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 288#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 300#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 305#L20-3 assume !(sep_~i~0 < ~N~0); 302#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 291#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 292#L20-8 [2021-10-28 09:10:01,996 INFO L793 eck$LassoCheckResult]: Loop: 292#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 293#L22-2 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; 301#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 292#L20-8 [2021-10-28 09:10:01,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:01,996 INFO L85 PathProgramCache]: Analyzing trace with hash 889511019, now seen corresponding path program 1 times [2021-10-28 09:10:01,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:01,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318810475] [2021-10-28 09:10:01,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:01,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:02,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:02,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:02,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318810475] [2021-10-28 09:10:02,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318810475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:02,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:02,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:02,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126804059] [2021-10-28 09:10:02,108 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:02,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:02,109 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 1 times [2021-10-28 09:10:02,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:02,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729316068] [2021-10-28 09:10:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:02,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,133 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,147 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:02,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:02,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:02,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:02,226 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:02,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:02,259 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions. [2021-10-28 09:10:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:02,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2021-10-28 09:10:02,261 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:02,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 29 transitions. [2021-10-28 09:10:02,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 09:10:02,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 09:10:02,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2021-10-28 09:10:02,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:02,263 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-28 09:10:02,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2021-10-28 09:10:02,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-10-28 09:10:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-28 09:10:02,266 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 09:10:02,266 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 09:10:02,266 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:10:02,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-28 09:10:02,267 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:02,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:02,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:02,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:02,268 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:02,268 INFO L791 eck$LassoCheckResult]: Stem: 337#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 338#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 349#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 353#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 351#L22 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; 352#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 354#L20-3 assume !(sep_~i~0 < ~N~0); 350#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 339#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 340#L20-8 [2021-10-28 09:10:02,269 INFO L793 eck$LassoCheckResult]: Loop: 340#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 341#L22-2 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; 348#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 340#L20-8 [2021-10-28 09:10:02,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:02,269 INFO L85 PathProgramCache]: Analyzing trace with hash -473899520, now seen corresponding path program 1 times [2021-10-28 09:10:02,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:02,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609647280] [2021-10-28 09:10:02,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:02,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:02,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:02,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609647280] [2021-10-28 09:10:02,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609647280] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:02,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280733181] [2021-10-28 09:10:02,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:02,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:02,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:02,318 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:02,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-28 09:10:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:02,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:10:02,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:02,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280733181] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:02,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:02,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 09:10:02,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248084861] [2021-10-28 09:10:02,518 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:02,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:02,518 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 2 times [2021-10-28 09:10:02,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:02,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603784821] [2021-10-28 09:10:02,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:02,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,525 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:02,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:02,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:10:02,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:10:02,595 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:02,665 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2021-10-28 09:10:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:10:02,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2021-10-28 09:10:02,668 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:02,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 33 transitions. [2021-10-28 09:10:02,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 09:10:02,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 09:10:02,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2021-10-28 09:10:02,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:02,671 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-28 09:10:02,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2021-10-28 09:10:02,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2021-10-28 09:10:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 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) [2021-10-28 09:10:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2021-10-28 09:10:02,681 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-28 09:10:02,681 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-28 09:10:02,681 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:10:02,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2021-10-28 09:10:02,682 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:02,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:02,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:02,684 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:02,684 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:02,684 INFO L791 eck$LassoCheckResult]: Stem: 413#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 414#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 426#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 431#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 432#L22 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; 434#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 433#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 429#L22 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; 430#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 435#L20-3 assume !(sep_~i~0 < ~N~0); 428#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 417#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 418#L20-8 [2021-10-28 09:10:02,685 INFO L793 eck$LassoCheckResult]: Loop: 418#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 419#L22-2 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; 427#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 418#L20-8 [2021-10-28 09:10:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:02,687 INFO L85 PathProgramCache]: Analyzing trace with hash -331548597, now seen corresponding path program 2 times [2021-10-28 09:10:02,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:02,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070554692] [2021-10-28 09:10:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:02,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,768 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:02,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:02,796 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 3 times [2021-10-28 09:10:02,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:02,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754181554] [2021-10-28 09:10:02,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:02,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,802 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:02,809 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:02,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:02,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1260561435, now seen corresponding path program 1 times [2021-10-28 09:10:02,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:02,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939923616] [2021-10-28 09:10:02,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:02,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:03,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:03,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939923616] [2021-10-28 09:10:03,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939923616] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:03,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351642756] [2021-10-28 09:10:03,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:03,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:03,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:03,188 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:03,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-28 09:10:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:03,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-28 09:10:03,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:03,517 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:10:03,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2021-10-28 09:10:03,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-28 09:10:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:03,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351642756] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:03,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:03,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-10-28 09:10:03,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862808996] [2021-10-28 09:10:03,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:03,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:10:03,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:10:03,652 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 11 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:04,078 INFO L93 Difference]: Finished difference Result 67 states and 89 transitions. [2021-10-28 09:10:04,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:10:04,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 89 transitions. [2021-10-28 09:10:04,081 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 18 [2021-10-28 09:10:04,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 67 states and 89 transitions. [2021-10-28 09:10:04,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2021-10-28 09:10:04,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 55 [2021-10-28 09:10:04,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 89 transitions. [2021-10-28 09:10:04,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:04,084 INFO L681 BuchiCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-10-28 09:10:04,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 89 transitions. [2021-10-28 09:10:04,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 31. [2021-10-28 09:10:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-28 09:10:04,092 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-28 09:10:04,092 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-28 09:10:04,092 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:10:04,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2021-10-28 09:10:04,093 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:04,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:04,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:04,094 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:04,094 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:04,094 INFO L791 eck$LassoCheckResult]: Stem: 568#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 569#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 581#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 586#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 588#L22 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; 591#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 589#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 590#L22 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; 596#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 594#L20-3 assume !(sep_~i~0 < ~N~0); 593#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 570#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 571#L20-8 [2021-10-28 09:10:04,095 INFO L793 eck$LassoCheckResult]: Loop: 571#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 572#L22-2 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; 580#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 571#L20-8 [2021-10-28 09:10:04,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:04,095 INFO L85 PathProgramCache]: Analyzing trace with hash -333395639, now seen corresponding path program 1 times [2021-10-28 09:10:04,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:04,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67427223] [2021-10-28 09:10:04,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:04,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:04,143 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:04,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:04,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:04,186 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 4 times [2021-10-28 09:10:04,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:04,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493379895] [2021-10-28 09:10:04,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:04,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:04,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:04,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:04,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2069908061, now seen corresponding path program 1 times [2021-10-28 09:10:04,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:04,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028560288] [2021-10-28 09:10:04,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:04,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:04,269 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:04,290 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:05,571 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:05,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:05,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:05,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:05,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:05,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:05,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:05,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:05,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration5_Lasso [2021-10-28 09:10:05,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:05,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:05,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:05,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:06,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:06,564 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:06,565 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:06,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,589 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:10:06,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:06,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,627 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:10:06,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:06,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,662 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:10:06,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 09:10:06,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,694 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:10:06,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:06,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,729 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:10:06,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:06,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:06,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 09:10:06,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,765 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:10:06,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:06,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:06,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:06,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,809 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:10:06,811 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 [2021-10-28 09:10:06,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 09:10:06,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,840 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:10:06,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 09:10:06,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,872 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:10:06,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:06,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,901 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:10:06,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:06,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:06,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 09:10:06,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,950 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:10:06,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:06,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:06,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:06,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:06,984 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:06,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:10:06,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:06,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:06,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:06,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:06,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:06,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:06,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:06,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:06,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,017 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:10:07,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:07,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:07,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,090 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:10:07,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 09:10:07,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,137 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:10:07,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,169 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:10:07,170 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 [2021-10-28 09:10:07,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 09:10:07,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,200 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:10:07,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 09:10:07,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,231 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:10:07,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,277 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:10:07,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,321 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:10:07,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,354 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:10:07,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 09:10:07,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,402 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:10:07,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,444 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:10:07,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:07,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:07,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,514 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:10:07,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,553 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:10:07,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:07,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:07,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 09:10:07,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,593 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:10:07,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:07,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:07,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 09:10:07,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,638 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:10:07,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:07,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:07,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:07,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 09:10:07,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,680 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:10:07,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:07,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:07,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 09:10:07,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,722 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:10:07,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:07,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:07,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:07,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:07,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,763 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:10:07,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:07,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:07,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:07,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:07,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:07,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:07,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:07,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:07,848 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 09:10:07,848 INFO L444 ModelExtractionUtils]: 13 out of 31 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-10-28 09:10:07,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:07,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:07,856 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:07,861 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:07,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:10:07,881 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:10:07,881 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:07,882 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_sep_~i~0) = 1*~N~0 - 1*ULTIMATE.start_sep_~i~0 Supporting invariants [] [2021-10-28 09:10:07,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:08,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:08,104 INFO L297 tatePredicateManager]: 55 out of 55 supporting invariants were superfluous and have been removed [2021-10-28 09:10:08,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:08,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:10:08,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:08,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:10:08,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:08,239 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:10:08,240 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-10-28 09:10:08,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 40 states and 58 transitions. Complement of second has 7 states. [2021-10-28 09:10:08,262 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 [2021-10-28 09:10:08,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-10-28 09:10:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-10-28 09:10:08,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-28 09:10:08,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:08,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 09:10:08,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:08,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-28 09:10:08,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:08,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 58 transitions. [2021-10-28 09:10:08,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:08,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 32 states and 44 transitions. [2021-10-28 09:10:08,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 09:10:08,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 09:10:08,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2021-10-28 09:10:08,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:08,268 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-28 09:10:08,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2021-10-28 09:10:08,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-28 09:10:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2021-10-28 09:10:08,271 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-28 09:10:08,271 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-28 09:10:08,271 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:10:08,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2021-10-28 09:10:08,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:08,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:08,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:08,273 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:08,273 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:10:08,274 INFO L791 eck$LassoCheckResult]: Stem: 928#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 929#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 942#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 946#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 944#L22 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; 945#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 947#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 948#L22 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; 956#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 952#L20-3 assume !(sep_~i~0 < ~N~0); 951#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 950#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 949#L20-8 assume !(sep_~i~0 < ~N~0); 926#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 927#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 936#L46-3 [2021-10-28 09:10:08,274 INFO L793 eck$LassoCheckResult]: Loop: 936#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 935#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 936#L46-3 [2021-10-28 09:10:08,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:08,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2069906393, now seen corresponding path program 1 times [2021-10-28 09:10:08,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:08,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544724711] [2021-10-28 09:10:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:08,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 09:10:08,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:08,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544724711] [2021-10-28 09:10:08,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544724711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:08,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:08,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:08,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385236242] [2021-10-28 09:10:08,317 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:08,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:08,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 1 times [2021-10-28 09:10:08,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:08,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400862648] [2021-10-28 09:10:08,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:08,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:08,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:08,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:08,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:08,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:10:08,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:10:08,394 INFO L87 Difference]: Start difference. First operand 32 states and 44 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2021-10-28 09:10:08,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:08,427 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-10-28 09:10:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:10:08,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 49 transitions. [2021-10-28 09:10:08,428 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:08,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 49 transitions. [2021-10-28 09:10:08,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-28 09:10:08,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 09:10:08,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 49 transitions. [2021-10-28 09:10:08,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:08,435 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 49 transitions. [2021-10-28 09:10:08,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 49 transitions. [2021-10-28 09:10:08,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2021-10-28 09:10:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-10-28 09:10:08,443 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-28 09:10:08,443 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-28 09:10:08,443 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:10:08,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-10-28 09:10:08,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:08,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:08,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:08,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:08,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:10:08,445 INFO L791 eck$LassoCheckResult]: Stem: 1002#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1003#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1017#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 1023#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1024#L22 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; 1027#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1025#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1026#L22 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; 1033#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1031#L20-3 assume !(sep_~i~0 < ~N~0); 1030#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1029#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 1008#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1009#L22-2 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; 1019#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1010#L20-8 assume !(sep_~i~0 < ~N~0); 1004#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1005#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1012#L46-3 [2021-10-28 09:10:08,445 INFO L793 eck$LassoCheckResult]: Loop: 1012#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1011#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1012#L46-3 [2021-10-28 09:10:08,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:08,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1787455815, now seen corresponding path program 1 times [2021-10-28 09:10:08,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:08,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014492931] [2021-10-28 09:10:08,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:08,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 09:10:08,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:08,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014492931] [2021-10-28 09:10:08,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014492931] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:08,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128133283] [2021-10-28 09:10:08,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:08,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:08,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:08,497 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:08,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-10-28 09:10:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:08,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:10:08,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 09:10:08,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128133283] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:08,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:08,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-28 09:10:08,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654617504] [2021-10-28 09:10:08,671 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:08,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:08,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 2 times [2021-10-28 09:10:08,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:08,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177418800] [2021-10-28 09:10:08,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:08,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:08,676 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:08,679 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:08,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:08,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:10:08,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:10:08,741 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. cyclomatic complexity: 15 Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:08,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:08,808 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2021-10-28 09:10:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:10:08,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2021-10-28 09:10:08,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:08,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 59 transitions. [2021-10-28 09:10:08,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 09:10:08,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 09:10:08,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 59 transitions. [2021-10-28 09:10:08,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:08,813 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 59 transitions. [2021-10-28 09:10:08,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 59 transitions. [2021-10-28 09:10:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2021-10-28 09:10:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2021-10-28 09:10:08,820 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-10-28 09:10:08,820 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-10-28 09:10:08,820 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:10:08,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 46 transitions. [2021-10-28 09:10:08,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:08,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:08,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:08,823 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:08,823 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:10:08,824 INFO L791 eck$LassoCheckResult]: Stem: 1142#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1143#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1158#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 1164#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1162#L22 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; 1163#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1165#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1166#L22 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; 1175#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1171#L20-3 assume !(sep_~i~0 < ~N~0); 1170#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1146#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 1147#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1169#L22-2 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; 1167#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1150#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1151#L22-2 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; 1159#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1168#L20-8 assume !(sep_~i~0 < ~N~0); 1144#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1145#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1153#L46-3 [2021-10-28 09:10:08,824 INFO L793 eck$LassoCheckResult]: Loop: 1153#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1152#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1153#L46-3 [2021-10-28 09:10:08,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:08,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1143219481, now seen corresponding path program 2 times [2021-10-28 09:10:08,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:08,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000396639] [2021-10-28 09:10:08,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:08,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:10:09,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:09,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000396639] [2021-10-28 09:10:09,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000396639] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:09,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058850700] [2021-10-28 09:10:09,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:10:09,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:09,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:09,196 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:09,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-10-28 09:10:09,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:10:09,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:10:09,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-28 09:10:09,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:09,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2021-10-28 09:10:09,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-28 09:10:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:10:09,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058850700] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:09,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:09,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-10-28 09:10:09,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456168178] [2021-10-28 09:10:09,601 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 3 times [2021-10-28 09:10:09,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:09,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127333409] [2021-10-28 09:10:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:09,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:09,607 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:09,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:09,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:09,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:10:09,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:10:09,669 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:09,964 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2021-10-28 09:10:09,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:10:09,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 76 transitions. [2021-10-28 09:10:09,969 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:09,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 76 transitions. [2021-10-28 09:10:09,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-10-28 09:10:09,970 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-10-28 09:10:09,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 76 transitions. [2021-10-28 09:10:09,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:09,971 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 76 transitions. [2021-10-28 09:10:09,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 76 transitions. [2021-10-28 09:10:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 35. [2021-10-28 09:10:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 34 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2021-10-28 09:10:09,974 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-10-28 09:10:09,974 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-10-28 09:10:09,974 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:10:09,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2021-10-28 09:10:09,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:09,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:09,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:09,976 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:09,976 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:10:09,976 INFO L791 eck$LassoCheckResult]: Stem: 1317#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1318#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1332#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 1337#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1338#L22 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; 1345#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1339#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1340#L22 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; 1336#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1341#L20-3 assume !(sep_~i~0 < ~N~0); 1344#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1319#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 1320#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1346#L22-2 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; 1342#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1323#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1324#L22-2 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; 1331#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1343#L20-8 assume !(sep_~i~0 < ~N~0); 1315#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1316#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1326#L46-3 [2021-10-28 09:10:09,976 INFO L793 eck$LassoCheckResult]: Loop: 1326#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1325#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1326#L46-3 [2021-10-28 09:10:09,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:09,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1952566107, now seen corresponding path program 1 times [2021-10-28 09:10:09,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:09,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924191316] [2021-10-28 09:10:09,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:09,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:10,012 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:10,062 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:10,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:10,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 4 times [2021-10-28 09:10:10,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:10,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379045988] [2021-10-28 09:10:10,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:10,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:10,069 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:10,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:10,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:10,074 INFO L85 PathProgramCache]: Analyzing trace with hash -484677763, now seen corresponding path program 1 times [2021-10-28 09:10:10,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:10,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157293112] [2021-10-28 09:10:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:10,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:10,109 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:10,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:12,167 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:12,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:12,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:12,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:12,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:12,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:12,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:12,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:12,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration9_Lasso [2021-10-28 09:10:12,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:12,168 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:12,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:12,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:13,788 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:13,789 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:13,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:13,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:13,793 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:13,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:13,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:10:13,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:13,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:13,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:13,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:13,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:13,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:13,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:13,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:13,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 09:10:13,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:13,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:13,853 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:13,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:10:13,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:13,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:13,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:13,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:13,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:13,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:13,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:13,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:13,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:13,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:13,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:13,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:13,884 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:13,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:10:13,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:13,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:13,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:13,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:13,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:13,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:13,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:13,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:13,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:13,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 09:10:13,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:13,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:13,918 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:13,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:10:13,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:13,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:13,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:13,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:13,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:13,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:13,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:13,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:13,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:13,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:10:13,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:13,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:13,952 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:13,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:10:13,953 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 [2021-10-28 09:10:13,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:13,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:13,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:13,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:13,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:13,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:13,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:13,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-28 09:10:13,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:13,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:13,985 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:13,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:10:13,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:13,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:13,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:13,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:13,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:13,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:13,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:13,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:13,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:10:14,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,016 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:10:14,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:14,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:14,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:14,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 09:10:14,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,047 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:10:14,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:14,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:14,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:14,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,128 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:14,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:14,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:14,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:10:14,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 09:10:14,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,186 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:14,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:14,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:14,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:10:14,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:14,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,246 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:14,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:14,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:10:14,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:14,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,308 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:14,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:14,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:10:14,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 09:10:14,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,368 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:10:14,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:14,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:14,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:14,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 09:10:14,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,405 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:10:14,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:14,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:14,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:14,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-28 09:10:14,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,438 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:10:14,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:14,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:14,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:14,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,513 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:14,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:14,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:10:14,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:14,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,578 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:14,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:14,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:14,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:14,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:10:14,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:14,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 09:10:14,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,637 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:10:14,639 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 [2021-10-28 09:10:14,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:14,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:14,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:14,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:14,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:14,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:14,675 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:14,710 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 09:10:14,710 INFO L444 ModelExtractionUtils]: 3 out of 34 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-10-28 09:10:14,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:14,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:14,711 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:14,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:10:14,712 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:14,721 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:10:14,721 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:14,721 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~x.offset, v_rep(select #length ULTIMATE.start_sep_~x.base)_3, ULTIMATE.start_main_~i~1, ULTIMATE.start_sep_~i~0) = -1*ULTIMATE.start_sep_~x.offset + 2*v_rep(select #length ULTIMATE.start_sep_~x.base)_3 - 4*ULTIMATE.start_main_~i~1 - 4*ULTIMATE.start_sep_~i~0 Supporting invariants [] [2021-10-28 09:10:14,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-28 09:10:14,978 INFO L297 tatePredicateManager]: 62 out of 65 supporting invariants were superfluous and have been removed [2021-10-28 09:10:15,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:15,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-28 09:10:15,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:15,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:15,512 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:10:15,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:15,555 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-28 09:10:15,556 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 15 Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:15,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 15. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 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 63 states and 85 transitions. Complement of second has 13 states. [2021-10-28 09:10:15,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-28 09:10:15,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 50 transitions. [2021-10-28 09:10:15,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 21 letters. Loop has 2 letters. [2021-10-28 09:10:15,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:15,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 23 letters. Loop has 2 letters. [2021-10-28 09:10:15,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:15,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 21 letters. Loop has 4 letters. [2021-10-28 09:10:15,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:15,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 85 transitions. [2021-10-28 09:10:15,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:15,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 61 states and 81 transitions. [2021-10-28 09:10:15,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-28 09:10:15,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 09:10:15,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 81 transitions. [2021-10-28 09:10:15,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:15,702 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 81 transitions. [2021-10-28 09:10:15,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 81 transitions. [2021-10-28 09:10:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 43. [2021-10-28 09:10:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 42 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2021-10-28 09:10:15,705 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-10-28 09:10:15,705 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-10-28 09:10:15,705 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:10:15,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 57 transitions. [2021-10-28 09:10:15,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:15,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:15,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:15,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:15,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:15,707 INFO L791 eck$LassoCheckResult]: Stem: 1791#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1792#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1809#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 1815#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1816#L22 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; 1819#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1817#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1818#L22 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; 1814#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1830#L20-3 assume !(sep_~i~0 < ~N~0); 1829#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1828#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 1797#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1798#L22-2 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; 1820#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1799#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1800#L22-2 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; 1826#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1825#L20-8 assume !(sep_~i~0 < ~N~0); 1823#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1822#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1821#L46-3 assume !(main_~i~1 < ~N~0 - 1); 1805#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 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; 1806#L20-13 [2021-10-28 09:10:15,707 INFO L793 eck$LassoCheckResult]: Loop: 1806#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1807#L22-4 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; 1808#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1806#L20-13 [2021-10-28 09:10:15,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:15,708 INFO L85 PathProgramCache]: Analyzing trace with hash -484677821, now seen corresponding path program 1 times [2021-10-28 09:10:15,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:15,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036388602] [2021-10-28 09:10:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:15,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-28 09:10:15,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:15,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036388602] [2021-10-28 09:10:15,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036388602] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:15,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:15,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:15,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021186758] [2021-10-28 09:10:15,746 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:15,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:15,747 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 1 times [2021-10-28 09:10:15,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:15,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044417722] [2021-10-28 09:10:15,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:15,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:15,753 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:15,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:15,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:15,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:10:15,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:10:15,828 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:15,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:15,857 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2021-10-28 09:10:15,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:10:15,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 59 transitions. [2021-10-28 09:10:15,858 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:15,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 59 transitions. [2021-10-28 09:10:15,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-28 09:10:15,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-28 09:10:15,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 59 transitions. [2021-10-28 09:10:15,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:15,859 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2021-10-28 09:10:15,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 59 transitions. [2021-10-28 09:10:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2021-10-28 09:10:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 43 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2021-10-28 09:10:15,862 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 57 transitions. [2021-10-28 09:10:15,863 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 57 transitions. [2021-10-28 09:10:15,863 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:10:15,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 57 transitions. [2021-10-28 09:10:15,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:15,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:15,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:15,864 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:15,864 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:15,865 INFO L791 eck$LassoCheckResult]: Stem: 1889#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1890#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1905#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 1909#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1910#L22 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; 1923#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1911#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1912#L22 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; 1930#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1928#L20-3 assume !(sep_~i~0 < ~N~0); 1927#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1926#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 1925#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1924#L22-2 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; 1904#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1894#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1895#L22-2 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; 1917#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1915#L20-8 assume !(sep_~i~0 < ~N~0); 1887#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1888#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1914#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1898#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1899#L46-3 assume !(main_~i~1 < ~N~0 - 1); 1900#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 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; 1901#L20-13 [2021-10-28 09:10:15,865 INFO L793 eck$LassoCheckResult]: Loop: 1901#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1902#L22-4 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; 1903#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1901#L20-13 [2021-10-28 09:10:15,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:15,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1918860571, now seen corresponding path program 1 times [2021-10-28 09:10:15,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:15,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875877621] [2021-10-28 09:10:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:15,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:15,898 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:15,932 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:15,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:15,933 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 2 times [2021-10-28 09:10:15,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:15,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59996409] [2021-10-28 09:10:15,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:15,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:15,938 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:15,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:15,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:15,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1239507716, now seen corresponding path program 1 times [2021-10-28 09:10:15,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:15,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827791185] [2021-10-28 09:10:15,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:15,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 09:10:16,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:16,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827791185] [2021-10-28 09:10:16,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827791185] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:16,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477197992] [2021-10-28 09:10:16,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:16,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:16,464 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:16,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2021-10-28 09:10:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:16,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-28 09:10:16,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:10:16,781 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:10:16,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 28 [2021-10-28 09:10:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:10:16,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2021-10-28 09:10:17,057 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-28 09:10:17,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 49 [2021-10-28 09:10:17,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-28 09:10:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-28 09:10:17,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477197992] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:17,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:17,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 16 [2021-10-28 09:10:17,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677049606] [2021-10-28 09:10:17,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:17,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 09:10:17,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-10-28 09:10:17,193 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. cyclomatic complexity: 19 Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:17,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:17,831 INFO L93 Difference]: Finished difference Result 115 states and 150 transitions. [2021-10-28 09:10:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 09:10:17,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 150 transitions. [2021-10-28 09:10:17,847 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 09:10:17,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 115 states and 150 transitions. [2021-10-28 09:10:17,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 58 [2021-10-28 09:10:17,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2021-10-28 09:10:17,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 150 transitions. [2021-10-28 09:10:17,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:17,858 INFO L681 BuchiCegarLoop]: Abstraction has 115 states and 150 transitions. [2021-10-28 09:10:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 150 transitions. [2021-10-28 09:10:17,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2021-10-28 09:10:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.302325581395349) internal successors, (112), 85 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 112 transitions. [2021-10-28 09:10:17,873 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 112 transitions. [2021-10-28 09:10:17,873 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 112 transitions. [2021-10-28 09:10:17,873 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:10:17,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 112 transitions. [2021-10-28 09:10:17,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:17,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:17,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:17,875 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:17,876 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:17,876 INFO L791 eck$LassoCheckResult]: Stem: 2168#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 2169#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 2186#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 2191#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2192#L22 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; 2237#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2236#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2235#L22 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; 2233#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2229#L20-3 assume !(sep_~i~0 < ~N~0); 2227#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2225#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 2223#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2221#L22-2 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; 2220#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2219#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2218#L22-2 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; 2216#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2213#L20-8 assume !(sep_~i~0 < ~N~0); 2211#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2209#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 2207#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 2198#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2197#L46-3 assume !(main_~i~1 < ~N~0 - 1); 2180#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 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; 2181#L20-13 [2021-10-28 09:10:17,876 INFO L793 eck$LassoCheckResult]: Loop: 2181#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2199#L22-4 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; 2183#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2181#L20-13 [2021-10-28 09:10:17,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1953404899, now seen corresponding path program 1 times [2021-10-28 09:10:17,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:17,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248727512] [2021-10-28 09:10:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:17,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:10:18,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:18,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248727512] [2021-10-28 09:10:18,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248727512] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:18,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922610944] [2021-10-28 09:10:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:18,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:18,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:18,252 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:18,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2021-10-28 09:10:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:18,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-28 09:10:18,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:18,568 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 09:10:18,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 22 [2021-10-28 09:10:18,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-28 09:10:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 09:10:18,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922610944] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:18,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:18,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2021-10-28 09:10:18,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414581138] [2021-10-28 09:10:18,702 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:18,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:18,703 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 3 times [2021-10-28 09:10:18,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:18,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55923834] [2021-10-28 09:10:18,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:18,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:18,708 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:18,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:18,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:18,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:10:18,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:10:18,761 INFO L87 Difference]: Start difference. First operand 86 states and 112 transitions. cyclomatic complexity: 35 Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:19,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:19,147 INFO L93 Difference]: Finished difference Result 100 states and 128 transitions. [2021-10-28 09:10:19,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:10:19,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 128 transitions. [2021-10-28 09:10:19,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:19,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 100 states and 128 transitions. [2021-10-28 09:10:19,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-10-28 09:10:19,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-10-28 09:10:19,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 128 transitions. [2021-10-28 09:10:19,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:19,155 INFO L681 BuchiCegarLoop]: Abstraction has 100 states and 128 transitions. [2021-10-28 09:10:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 128 transitions. [2021-10-28 09:10:19,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 86. [2021-10-28 09:10:19,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.2906976744186047) internal successors, (111), 85 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2021-10-28 09:10:19,168 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-10-28 09:10:19,168 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-10-28 09:10:19,168 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:10:19,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 111 transitions. [2021-10-28 09:10:19,170 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:19,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:19,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:19,175 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:19,175 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:19,178 INFO L791 eck$LassoCheckResult]: Stem: 2453#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 2454#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 2471#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 2477#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2478#L22 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; 2481#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2479#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2480#L22 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; 2476#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2527#L20-3 assume !(sep_~i~0 < ~N~0); 2528#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2457#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 2458#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2537#L22-2 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; 2536#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2461#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2462#L22-2 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; 2472#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2487#L20-8 assume !(sep_~i~0 < ~N~0); 2455#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2456#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 2486#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 2490#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2489#L46-3 assume !(main_~i~1 < ~N~0 - 1); 2467#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 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; 2468#L20-13 [2021-10-28 09:10:19,178 INFO L793 eck$LassoCheckResult]: Loop: 2468#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2485#L22-4 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; 2470#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2468#L20-13 [2021-10-28 09:10:19,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:19,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1273346529, now seen corresponding path program 1 times [2021-10-28 09:10:19,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:19,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312116202] [2021-10-28 09:10:19,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:19,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:19,220 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:19,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:19,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:19,255 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 4 times [2021-10-28 09:10:19,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:19,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467844009] [2021-10-28 09:10:19,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:19,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:19,261 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:19,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:19,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:19,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1115355784, now seen corresponding path program 1 times [2021-10-28 09:10:19,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:19,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130039673] [2021-10-28 09:10:19,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:19,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:19,352 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:19,382 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:21,512 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:21,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:21,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:21,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:21,512 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:21,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:21,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:21,512 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:21,512 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration13_Lasso [2021-10-28 09:10:21,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:21,513 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:21,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:21,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:22,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:22,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:22,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:22,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:22,474 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:22,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,482 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:10:22,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:22,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,516 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:10:22,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 09:10:22,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,548 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:10:22,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 09:10:22,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,578 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:10:22,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:22,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:22,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:22,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,611 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:10:22,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 09:10:22,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,642 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:10:22,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:22,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:22,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:22,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,674 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:10:22,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:22,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,740 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:10:22,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-28 09:10:22,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,857 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:10:22,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-28 09:10:22,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,887 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:10:22,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:22,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:22,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 09:10:22,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,932 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:10:22,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:22,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,964 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 09:10:22,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:22,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:22,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:22,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:22,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:22,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:22,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:22,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:22,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:22,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 09:10:22,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:22,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:22,996 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:22,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 09:10:22,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:23,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,027 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 09:10:23,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-28 09:10:23,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,075 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 09:10:23,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-28 09:10:23,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,106 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 09:10:23,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-28 09:10:23,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,136 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 09:10:23,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:23,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,166 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:10:23,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-28 09:10:23,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,198 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:10:23,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 09:10:23,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,232 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:10:23,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-28 09:10:23,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,267 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:10:23,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-28 09:10:23,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,297 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 09:10:23,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:23,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,328 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 09:10:23,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:23,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,360 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:10:23,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-28 09:10:23,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,392 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:10:23,393 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 [2021-10-28 09:10:23,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:23,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,424 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 09:10:23,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:23,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:23,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:23,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-28 09:10:23,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,464 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 09:10:23,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-10-28 09:10:23,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,497 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 09:10:23,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:23,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:23,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,533 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:23,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:23,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:23,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:23,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:23,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:10:23,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:10:23,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 09:10:23,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:23,618 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2021-10-28 09:10:23,618 INFO L444 ModelExtractionUtils]: 6 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-28 09:10:23,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:23,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:23,619 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:23,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 09:10:23,620 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:23,628 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:10:23,628 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:23,628 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~x.offset, ULTIMATE.start_main_~i~1, ULTIMATE.start_sep_~i~0) = -1*ULTIMATE.start_sep_~x.offset + 10*ULTIMATE.start_main_~i~1 - 4*ULTIMATE.start_sep_~i~0 Supporting invariants [8*ULTIMATE.start_main_~i~1 - 1*v_rep(select #length ULTIMATE.start_sep_~x.base)_4 >= 0] [2021-10-28 09:10:23,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-10-28 09:10:23,871 INFO L297 tatePredicateManager]: 57 out of 58 supporting invariants were superfluous and have been removed [2021-10-28 09:10:23,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:23,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 09:10:23,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:23,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-10-28 09:10:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:24,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:10:24,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:24,352 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 09:10:24,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 111 transitions. cyclomatic complexity: 34 Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:24,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:24,692 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 111 transitions. cyclomatic complexity: 34. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 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) Result 185 states and 239 transitions. Complement of second has 15 states. [2021-10-28 09:10:24,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:10:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 65 transitions. [2021-10-28 09:10:24,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-28 09:10:24,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:24,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-28 09:10:24,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:24,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 25 letters. Loop has 6 letters. [2021-10-28 09:10:24,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:24,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 239 transitions. [2021-10-28 09:10:24,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:24,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 104 states and 134 transitions. [2021-10-28 09:10:24,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-28 09:10:24,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-10-28 09:10:24,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 134 transitions. [2021-10-28 09:10:24,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:24,701 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 134 transitions. [2021-10-28 09:10:24,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 134 transitions. [2021-10-28 09:10:24,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2021-10-28 09:10:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 93 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2021-10-28 09:10:24,704 INFO L704 BuchiCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-10-28 09:10:24,704 INFO L587 BuchiCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-10-28 09:10:24,705 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:10:24,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 119 transitions. [2021-10-28 09:10:24,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:24,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:24,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:24,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:24,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:10:24,707 INFO L791 eck$LassoCheckResult]: Stem: 3099#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 3100#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 3117#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 3123#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3124#L22 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; 3126#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3125#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3120#L22 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; 3121#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3192#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3172#L22 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; 3174#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3171#L20-3 assume !(sep_~i~0 < ~N~0); 3168#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3166#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 3164#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3161#L22-2 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; 3160#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3158#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3155#L22-2 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; 3154#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3152#L20-8 assume !(sep_~i~0 < ~N~0); 3101#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3102#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 3140#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 3137#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 3136#L46-3 assume !(main_~i~1 < ~N~0 - 1); 3113#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 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; 3114#L20-13 [2021-10-28 09:10:24,707 INFO L793 eck$LassoCheckResult]: Loop: 3114#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3130#L22-4 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; 3116#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3114#L20-13 [2021-10-28 09:10:24,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:24,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1339196588, now seen corresponding path program 1 times [2021-10-28 09:10:24,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:24,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378558251] [2021-10-28 09:10:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:24,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:10:24,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:24,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378558251] [2021-10-28 09:10:24,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378558251] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:24,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278451293] [2021-10-28 09:10:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:24,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:24,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:24,780 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:24,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2021-10-28 09:10:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:25,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:10:25,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:10:25,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278451293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:25,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:25,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-28 09:10:25,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821172208] [2021-10-28 09:10:25,131 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:25,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:25,131 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 5 times [2021-10-28 09:10:25,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:25,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484657960] [2021-10-28 09:10:25,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:25,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,137 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:25,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:25,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 09:10:25,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:10:25,192 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. cyclomatic complexity: 34 Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:25,320 INFO L93 Difference]: Finished difference Result 95 states and 120 transitions. [2021-10-28 09:10:25,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:10:25,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 120 transitions. [2021-10-28 09:10:25,322 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:25,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 95 states and 120 transitions. [2021-10-28 09:10:25,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-28 09:10:25,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-28 09:10:25,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 120 transitions. [2021-10-28 09:10:25,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:25,324 INFO L681 BuchiCegarLoop]: Abstraction has 95 states and 120 transitions. [2021-10-28 09:10:25,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 120 transitions. [2021-10-28 09:10:25,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2021-10-28 09:10:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 81 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2021-10-28 09:10:25,327 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 102 transitions. [2021-10-28 09:10:25,327 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 102 transitions. [2021-10-28 09:10:25,327 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:10:25,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 102 transitions. [2021-10-28 09:10:25,328 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 09:10:25,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:25,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:25,329 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:25,329 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:10:25,329 INFO L791 eck$LassoCheckResult]: Stem: 3399#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(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 3400#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 3413#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;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; 3417#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3418#L22 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; 3470#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3467#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3465#L22 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; 3420#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3419#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3415#L22 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; 3416#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3468#L20-3 assume !(sep_~i~0 < ~N~0); 3414#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3401#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;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; 3402#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3403#L22-2 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; 3433#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3471#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3431#L22-2 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; 3425#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3426#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3477#L22-2 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; 3478#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3476#L20-8 assume !(sep_~i~0 < ~N~0); 3397#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3398#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 3424#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 3474#L46-2 [2021-10-28 09:10:25,329 INFO L793 eck$LassoCheckResult]: Loop: 3474#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 3473#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 3474#L46-2 [2021-10-28 09:10:25,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:25,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1358776295, now seen corresponding path program 1 times [2021-10-28 09:10:25,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:25,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797186779] [2021-10-28 09:10:25,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:25,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,359 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:25,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:25,389 INFO L85 PathProgramCache]: Analyzing trace with hash 2783, now seen corresponding path program 5 times [2021-10-28 09:10:25,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:25,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976953437] [2021-10-28 09:10:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:25,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,394 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:25,397 INFO L85 PathProgramCache]: Analyzing trace with hash -113959689, now seen corresponding path program 2 times [2021-10-28 09:10:25,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:25,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390206902] [2021-10-28 09:10:25,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:25,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,431 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:25,459 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:28,545 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:28,546 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:28,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:28,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:28,546 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:28,546 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:28,546 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:28,546 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:28,546 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration15_Lasso [2021-10-28 09:10:28,546 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:28,546 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:28,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:28,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:29,149 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-28 09:10:29,153 INFO L168 Benchmark]: Toolchain (without parser) took 32702.31 ms. Allocated memory was 109.1 MB in the beginning and 264.2 MB in the end (delta: 155.2 MB). Free memory was 72.5 MB in the beginning and 97.2 MB in the end (delta: -24.7 MB). Peak memory consumption was 166.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:29,153 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 84.0 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:29,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.30 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 82.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:29,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.07 ms. Allocated memory is still 109.1 MB. Free memory was 82.8 MB in the beginning and 80.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:29,155 INFO L168 Benchmark]: Boogie Preprocessor took 61.42 ms. Allocated memory is still 109.1 MB. Free memory was 80.8 MB in the beginning and 79.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:29,155 INFO L168 Benchmark]: RCFGBuilder took 525.45 ms. Allocated memory is still 109.1 MB. Free memory was 79.7 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:29,156 INFO L168 Benchmark]: BuchiAutomizer took 31666.91 ms. Allocated memory was 109.1 MB in the beginning and 264.2 MB in the end (delta: 155.2 MB). Free memory was 66.6 MB in the beginning and 97.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 162.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:29,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 84.0 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.30 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 82.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.07 ms. Allocated memory is still 109.1 MB. Free memory was 82.8 MB in the beginning and 80.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.42 ms. Allocated memory is still 109.1 MB. Free memory was 80.8 MB in the beginning and 79.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 525.45 ms. Allocated memory is still 109.1 MB. Free memory was 79.7 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 31666.91 ms. Allocated memory was 109.1 MB in the beginning and 264.2 MB in the end (delta: 155.2 MB). Free memory was 66.6 MB in the beginning and 97.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 162.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-28 09:10:29,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Ended with exit code 0 [2021-10-28 09:10:29,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2021-10-28 09:10:29,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2021-10-28 09:10:29,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2021-10-28 09:10:29,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2021-10-28 09:10:30,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-10-28 09:10:30,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:30,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9ca13a-08c3-4f9a-83ff-138c7bf16877/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...