./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G --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 c74d959057dcef9924c2fba34a5baac5be90cef6ad1eac335d6f9d2397fc60bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:37:53,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:37:53,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:37:53,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:37:53,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:37:53,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:37:53,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:37:53,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:37:53,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:37:53,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:37:53,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:37:53,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:37:53,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:37:53,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:37:53,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:37:53,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:37:53,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:37:53,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:37:53,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:37:53,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:37:53,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:37:53,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:37:53,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:37:53,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:37:53,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:37:53,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:37:53,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:37:53,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:37:53,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:37:53,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:37:53,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:37:53,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:37:53,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:37:53,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:37:53,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:37:53,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:37:53,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:37:53,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:37:53,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:37:53,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:37:53,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:37:53,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 12:37:53,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:37:53,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:37:53,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:37:53,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:37:53,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:37:53,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:37:53,720 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:37:53,720 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:37:53,721 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:37:53,721 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:37:53,722 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:37:53,723 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:37:53,723 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:37:53,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:37:53,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:37:53,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:37:53,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:37:53,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:37:53,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:37:53,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:37:53,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:37:53,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:37:53,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:37:53,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:37:53,727 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:37:53,727 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:37:53,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:37:53,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:37:53,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:37:53,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:37:53,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:37:53,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:37:53,733 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:37:53,734 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_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74d959057dcef9924c2fba34a5baac5be90cef6ad1eac335d6f9d2397fc60bb [2021-11-23 12:37:54,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:37:54,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:37:54,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:37:54,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:37:54,130 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:37:54,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2021-11-23 12:37:54,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/data/d9829b2ae/45623aa1058f43ca95f1cd9c6aa06d2d/FLAG3bb50e9a3 [2021-11-23 12:37:54,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:37:54,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2021-11-23 12:37:54,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/data/d9829b2ae/45623aa1058f43ca95f1cd9c6aa06d2d/FLAG3bb50e9a3 [2021-11-23 12:37:55,143 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/data/d9829b2ae/45623aa1058f43ca95f1cd9c6aa06d2d [2021-11-23 12:37:55,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:37:55,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:37:55,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:37:55,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:37:55,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:37:55,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a20fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55, skipping insertion in model container [2021-11-23 12:37:55,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:37:55,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:37:55,456 WARN L230 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_5560059c-4d93-4911-bac0-38c3b968f510/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c[642,655] [2021-11-23 12:37:55,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:37:55,563 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:37:55,594 WARN L230 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_5560059c-4d93-4911-bac0-38c3b968f510/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c[642,655] [2021-11-23 12:37:55,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:37:55,672 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:37:55,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55 WrapperNode [2021-11-23 12:37:55,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:37:55,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:37:55,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:37:55,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:37:55,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,768 INFO L137 Inliner]: procedures = 24, calls = 23, calls flagged for inlining = 18, calls inlined = 20, statements flattened = 260 [2021-11-23 12:37:55,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:37:55,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:37:55,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:37:55,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:37:55,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:37:55,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:37:55,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:37:55,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:37:55,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (1/1) ... [2021-11-23 12:37:55,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:55,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:55,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:55,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:37:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:37:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:37:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:37:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:37:56,018 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:37:56,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:37:56,298 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:37:56,307 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:37:56,308 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 12:37:56,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:56 BoogieIcfgContainer [2021-11-23 12:37:56,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:37:56,311 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:37:56,312 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:37:56,316 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:37:56,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:37:56,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:37:55" (1/3) ... [2021-11-23 12:37:56,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17d902ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:37:56, skipping insertion in model container [2021-11-23 12:37:56,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:37:56,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:55" (2/3) ... [2021-11-23 12:37:56,320 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17d902ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:37:56, skipping insertion in model container [2021-11-23 12:37:56,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:37:56,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:56" (3/3) ... [2021-11-23 12:37:56,322 INFO L388 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2021-11-23 12:37:56,409 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:37:56,423 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:37:56,423 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:37:56,423 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:37:56,423 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:37:56,424 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:37:56,424 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:37:56,424 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:37:56,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.5125) internal successors, (121), 80 states have internal predecessors, (121), 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) [2021-11-23 12:37:56,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 71 [2021-11-23 12:37:56,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:56,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:56,539 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:37:56,540 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:56,540 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 12:37:56,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.5125) internal successors, (121), 80 states have internal predecessors, (121), 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) [2021-11-23 12:37:56,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 71 [2021-11-23 12:37:56,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:56,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:56,565 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:37:56,565 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:56,577 INFO L791 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 21#L356true assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 37#L206true assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2; 4#L206-2true assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 46#L211-1true assume { :end_inline_init_threads } true; 70#L323-2true [2021-11-23 12:37:56,578 INFO L793 eck$LassoCheckResult]: Loop: 70#L323-2true assume !false; 16#L324true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 50#L272true assume false; 29#L288true assume { :end_inline_eval } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret10#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 63#L224-1true assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 78#L236-1true exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 11#L237-1true stop_simulation_#t~ret10#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret10#1;havoc stop_simulation_#t~ret10#1; 17#L302true assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 19#L309true stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 10#L310true start_simulation_#t~ret11#1 := stop_simulation_#res#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret11#1;havoc start_simulation_#t~ret11#1; 57#L330true assume !(0 != start_simulation_~tmp~3#1); 70#L323-2true [2021-11-23 12:37:56,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:56,593 INFO L85 PathProgramCache]: Analyzing trace with hash 889479019, now seen corresponding path program 1 times [2021-11-23 12:37:56,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:56,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459554591] [2021-11-23 12:37:56,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:56,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:56,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:56,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459554591] [2021-11-23 12:37:56,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459554591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:56,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:56,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:37:56,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583739171] [2021-11-23 12:37:56,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:56,852 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:37:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:56,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1504754769, now seen corresponding path program 1 times [2021-11-23 12:37:56,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:56,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71714972] [2021-11-23 12:37:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:56,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:56,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:56,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71714972] [2021-11-23 12:37:56,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71714972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:56,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:56,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:37:56,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886444912] [2021-11-23 12:37:56,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:56,890 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:56,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:56,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:37:56,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:37:56,933 INFO L87 Difference]: Start difference. First operand has 81 states, 80 states have (on average 1.5125) internal successors, (121), 80 states have internal predecessors, (121), 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) [2021-11-23 12:37:56,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:56,963 INFO L93 Difference]: Finished difference Result 78 states and 106 transitions. [2021-11-23 12:37:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:37:56,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 106 transitions. [2021-11-23 12:37:56,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2021-11-23 12:37:56,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 99 transitions. [2021-11-23 12:37:56,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2021-11-23 12:37:56,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2021-11-23 12:37:56,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2021-11-23 12:37:56,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:56,992 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-11-23 12:37:57,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2021-11-23 12:37:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-23 12:37:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-11-23 12:37:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-11-23 12:37:57,058 INFO L704 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-11-23 12:37:57,059 INFO L587 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-11-23 12:37:57,059 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 12:37:57,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2021-11-23 12:37:57,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2021-11-23 12:37:57,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:57,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:57,066 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,068 INFO L791 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 223#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 195#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 196#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 174#L206-2 assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 175#L211-1 assume { :end_inline_init_threads } true; 224#L323-2 [2021-11-23 12:37:57,069 INFO L793 eck$LassoCheckResult]: Loop: 224#L323-2 assume !false; 193#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 178#L272 assume !false; 229#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 188#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 189#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 221#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 222#L252 assume !(0 != eval_~tmp___1~0#1); 208#L288 assume { :end_inline_eval } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret10#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 209#L224-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 234#L236-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 184#L237-1 stop_simulation_#t~ret10#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret10#1;havoc stop_simulation_#t~ret10#1; 185#L302 assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 194#L309 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 182#L310 start_simulation_#t~ret11#1 := stop_simulation_#res#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret11#1;havoc start_simulation_#t~ret11#1; 183#L330 assume !(0 != start_simulation_~tmp~3#1); 224#L323-2 [2021-11-23 12:37:57,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 889477097, now seen corresponding path program 1 times [2021-11-23 12:37:57,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857068340] [2021-11-23 12:37:57,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:57,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:57,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857068340] [2021-11-23 12:37:57,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857068340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:57,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:57,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:37:57,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67818658] [2021-11-23 12:37:57,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:57,142 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:37:57,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1251467551, now seen corresponding path program 1 times [2021-11-23 12:37:57,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231278375] [2021-11-23 12:37:57,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:57,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:57,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231278375] [2021-11-23 12:37:57,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231278375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:57,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:57,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 12:37:57,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499408480] [2021-11-23 12:37:57,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:57,232 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:57,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:57,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:37:57,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:37:57,234 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. cyclomatic complexity: 29 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) [2021-11-23 12:37:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:57,255 INFO L93 Difference]: Finished difference Result 71 states and 98 transitions. [2021-11-23 12:37:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:37:57,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 98 transitions. [2021-11-23 12:37:57,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2021-11-23 12:37:57,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 98 transitions. [2021-11-23 12:37:57,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2021-11-23 12:37:57,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2021-11-23 12:37:57,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 98 transitions. [2021-11-23 12:37:57,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:57,269 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2021-11-23 12:37:57,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 98 transitions. [2021-11-23 12:37:57,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-23 12:37:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.380281690140845) internal successors, (98), 70 states have internal predecessors, (98), 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) [2021-11-23 12:37:57,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2021-11-23 12:37:57,283 INFO L704 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2021-11-23 12:37:57,284 INFO L587 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2021-11-23 12:37:57,284 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 12:37:57,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 98 transitions. [2021-11-23 12:37:57,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2021-11-23 12:37:57,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:57,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:57,289 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,289 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,290 INFO L791 eck$LassoCheckResult]: Stem: 387#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 374#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 346#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 347#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 325#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 326#L211-1 assume { :end_inline_init_threads } true; 375#L323-2 [2021-11-23 12:37:57,290 INFO L793 eck$LassoCheckResult]: Loop: 375#L323-2 assume !false; 345#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 329#L272 assume !false; 379#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 339#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 340#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 371#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 372#L252 assume !(0 != eval_~tmp___1~0#1); 359#L288 assume { :end_inline_eval } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret10#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 360#L224-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 384#L236-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 335#L237-1 stop_simulation_#t~ret10#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret10#1;havoc stop_simulation_#t~ret10#1; 336#L302 assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 344#L309 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 333#L310 start_simulation_#t~ret11#1 := stop_simulation_#res#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret11#1;havoc start_simulation_#t~ret11#1; 334#L330 assume !(0 != start_simulation_~tmp~3#1); 375#L323-2 [2021-11-23 12:37:57,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,296 INFO L85 PathProgramCache]: Analyzing trace with hash 889477035, now seen corresponding path program 1 times [2021-11-23 12:37:57,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615338414] [2021-11-23 12:37:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:57,338 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:57,392 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:57,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1251467551, now seen corresponding path program 2 times [2021-11-23 12:37:57,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813208100] [2021-11-23 12:37:57,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:57,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:57,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813208100] [2021-11-23 12:37:57,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813208100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:57,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:57,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 12:37:57,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914785508] [2021-11-23 12:37:57,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:57,481 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:57,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:57,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:37:57,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:37:57,484 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. cyclomatic complexity: 28 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:37:57,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:57,666 INFO L93 Difference]: Finished difference Result 139 states and 190 transitions. [2021-11-23 12:37:57,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:37:57,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 190 transitions. [2021-11-23 12:37:57,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 133 [2021-11-23 12:37:57,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 139 states and 190 transitions. [2021-11-23 12:37:57,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-11-23 12:37:57,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-11-23 12:37:57,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 190 transitions. [2021-11-23 12:37:57,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:57,691 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 190 transitions. [2021-11-23 12:37:57,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 190 transitions. [2021-11-23 12:37:57,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 74. [2021-11-23 12:37:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.364864864864865) internal successors, (101), 73 states have internal predecessors, (101), 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) [2021-11-23 12:37:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 101 transitions. [2021-11-23 12:37:57,703 INFO L704 BuchiCegarLoop]: Abstraction has 74 states and 101 transitions. [2021-11-23 12:37:57,703 INFO L587 BuchiCegarLoop]: Abstraction has 74 states and 101 transitions. [2021-11-23 12:37:57,703 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 12:37:57,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 101 transitions. [2021-11-23 12:37:57,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2021-11-23 12:37:57,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:57,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:57,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,707 INFO L791 eck$LassoCheckResult]: Stem: 611#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 573#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 574#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 549#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 550#L211-1 assume { :end_inline_init_threads } true; 602#L323-2 [2021-11-23 12:37:57,708 INFO L793 eck$LassoCheckResult]: Loop: 602#L323-2 assume !false; 570#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 555#L272 assume !false; 607#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 565#L224 assume !(0 == ~p_dw_st~0); 567#L228 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 572#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 617#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 618#L252 assume !(0 != eval_~tmp___1~0#1); 586#L288 assume { :end_inline_eval } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret10#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 587#L224-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 612#L236-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 561#L237-1 stop_simulation_#t~ret10#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret10#1;havoc stop_simulation_#t~ret10#1; 562#L302 assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 571#L309 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 559#L310 start_simulation_#t~ret11#1 := stop_simulation_#res#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret11#1;havoc start_simulation_#t~ret11#1; 560#L330 assume !(0 != start_simulation_~tmp~3#1); 602#L323-2 [2021-11-23 12:37:57,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,710 INFO L85 PathProgramCache]: Analyzing trace with hash 889477035, now seen corresponding path program 2 times [2021-11-23 12:37:57,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115863756] [2021-11-23 12:37:57,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:57,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:57,765 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash 960183933, now seen corresponding path program 1 times [2021-11-23 12:37:57,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618835952] [2021-11-23 12:37:57,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:57,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:57,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618835952] [2021-11-23 12:37:57,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618835952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:57,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:57,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:37:57,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082511016] [2021-11-23 12:37:57,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:57,792 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:57,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:57,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:37:57,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:37:57,793 INFO L87 Difference]: Start difference. First operand 74 states and 101 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:37:57,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:57,846 INFO L93 Difference]: Finished difference Result 120 states and 160 transitions. [2021-11-23 12:37:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:37:57,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 160 transitions. [2021-11-23 12:37:57,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2021-11-23 12:37:57,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 160 transitions. [2021-11-23 12:37:57,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-11-23 12:37:57,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-11-23 12:37:57,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 160 transitions. [2021-11-23 12:37:57,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:57,854 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 160 transitions. [2021-11-23 12:37:57,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 160 transitions. [2021-11-23 12:37:57,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 103. [2021-11-23 12:37:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.3203883495145632) internal successors, (136), 102 states have internal predecessors, (136), 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) [2021-11-23 12:37:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 136 transitions. [2021-11-23 12:37:57,877 INFO L704 BuchiCegarLoop]: Abstraction has 103 states and 136 transitions. [2021-11-23 12:37:57,877 INFO L587 BuchiCegarLoop]: Abstraction has 103 states and 136 transitions. [2021-11-23 12:37:57,877 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-23 12:37:57,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 136 transitions. [2021-11-23 12:37:57,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-23 12:37:57,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:57,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:57,880 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,880 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,880 INFO L791 eck$LassoCheckResult]: Stem: 815#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 803#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 774#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 775#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 745#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 746#L211-1 assume { :end_inline_init_threads } true; 804#L323-2 assume !false; 835#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 833#L272 [2021-11-23 12:37:57,881 INFO L793 eck$LassoCheckResult]: Loop: 833#L272 assume !false; 832#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 830#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 828#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 827#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 826#L252 assume 0 != eval_~tmp___1~0#1; 825#L252-1 assume !(0 == ~p_dw_st~0); 797#L257 assume 0 == ~c_dr_st~0;eval_~tmp___0~1#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1; 754#L276 assume 0 != eval_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; 755#L149 assume !(0 == ~c_dr_pc~0); 784#L152 assume 1 == ~c_dr_pc~0; 764#L153 do_read_c_~a~0#1 := ~a_t~0; 765#L162-1 do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 777#L42-3 assume 1 == ~p_dw_pc~0; 778#L43-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 846#L53-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 776#L54-1 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 749#L84-3 assume 0 != immediate_notify_threads_~tmp~0#1;~p_dw_st~0 := 0; 750#L84-5 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 806#L61-3 assume !(1 == ~c_dr_pc~0); 785#L61-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 752#L72-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 753#L73-1 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 810#L92-3 assume 0 != immediate_notify_threads_~tmp___0~0#1;~c_dr_st~0 := 0; 839#L92-5 assume { :end_inline_immediate_notify_threads } true;~q_read_ev~0 := 2; 838#L182 assume ~p_last_write~0 == ~c_last_read~0; 837#L183 assume ~p_num_write~0 == ~c_num_read~0; 822#L182-1 assume !false; 823#L161 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0#1; 834#L196 assume { :end_inline_do_read_c } true; 833#L272 [2021-11-23 12:37:57,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,882 INFO L85 PathProgramCache]: Analyzing trace with hash 88939597, now seen corresponding path program 1 times [2021-11-23 12:37:57,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532262774] [2021-11-23 12:37:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:57,894 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:57,910 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:57,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1011488296, now seen corresponding path program 1 times [2021-11-23 12:37:57,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718414539] [2021-11-23 12:37:57,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:57,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:57,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718414539] [2021-11-23 12:37:57,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718414539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:57,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:57,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:37:57,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755006375] [2021-11-23 12:37:57,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:57,939 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:57,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:57,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:37:57,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:37:57,940 INFO L87 Difference]: Start difference. First operand 103 states and 136 transitions. cyclomatic complexity: 34 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 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) [2021-11-23 12:37:57,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:57,966 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2021-11-23 12:37:57,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:37:57,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 158 transitions. [2021-11-23 12:37:57,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2021-11-23 12:37:57,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 158 transitions. [2021-11-23 12:37:57,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-11-23 12:37:57,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-11-23 12:37:57,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 158 transitions. [2021-11-23 12:37:57,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:57,973 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 158 transitions. [2021-11-23 12:37:57,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 158 transitions. [2021-11-23 12:37:57,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 103. [2021-11-23 12:37:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 102 states have internal predecessors, (134), 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) [2021-11-23 12:37:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 134 transitions. [2021-11-23 12:37:57,981 INFO L704 BuchiCegarLoop]: Abstraction has 103 states and 134 transitions. [2021-11-23 12:37:57,981 INFO L587 BuchiCegarLoop]: Abstraction has 103 states and 134 transitions. [2021-11-23 12:37:57,981 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-23 12:37:57,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 134 transitions. [2021-11-23 12:37:57,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2021-11-23 12:37:57,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:57,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:57,984 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,984 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:57,984 INFO L791 eck$LassoCheckResult]: Stem: 1045#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1032#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1003#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 1004#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 974#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 975#L211-1 assume { :end_inline_init_threads } true; 1033#L323-2 assume !false; 1066#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 1064#L272 [2021-11-23 12:37:57,985 INFO L793 eck$LassoCheckResult]: Loop: 1064#L272 assume !false; 1063#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 1061#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 1059#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 1058#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 1057#L252 assume 0 != eval_~tmp___1~0#1; 1056#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 1055#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 1042#L106 assume 0 == ~p_dw_pc~0; 1018#L117-1 assume !false; 1009#L118 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 1010#L138 assume { :end_inline_do_write_p } true; 1026#L257 assume 0 == ~c_dr_st~0;eval_~tmp___0~1#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1; 983#L276 assume 0 != eval_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; 984#L149 assume 0 == ~c_dr_pc~0; 1012#L182-1 assume !false; 997#L161 assume !(1 == ~q_free~0); 994#L162-1 do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 1040#L42-3 assume !(1 == ~p_dw_pc~0); 1029#L42-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 1030#L53-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 1005#L54-1 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 978#L84-3 assume 0 != immediate_notify_threads_~tmp~0#1;~p_dw_st~0 := 0; 979#L84-5 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 1073#L61-3 assume 1 == ~c_dr_pc~0; 1044#L62-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 981#L72-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 982#L73-1 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 1039#L92-3 assume 0 != immediate_notify_threads_~tmp___0~0#1;~c_dr_st~0 := 0; 1070#L92-5 assume { :end_inline_immediate_notify_threads } true;~q_read_ev~0 := 2; 1069#L182 assume ~p_last_write~0 == ~c_last_read~0; 1068#L183 assume ~p_num_write~0 == ~c_num_read~0; 1053#L182-1 assume !false; 1054#L161 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0#1; 1065#L196 assume { :end_inline_do_read_c } true; 1064#L272 [2021-11-23 12:37:57,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash 88939597, now seen corresponding path program 2 times [2021-11-23 12:37:57,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:57,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481748316] [2021-11-23 12:37:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:57,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,007 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1777713214, now seen corresponding path program 1 times [2021-11-23 12:37:58,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307664430] [2021-11-23 12:37:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:58,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:58,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307664430] [2021-11-23 12:37:58,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307664430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:58,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:58,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:37:58,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163638682] [2021-11-23 12:37:58,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:58,113 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:58,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:58,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:37:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:37:58,116 INFO L87 Difference]: Start difference. First operand 103 states and 134 transitions. cyclomatic complexity: 32 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:37:58,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:58,162 INFO L93 Difference]: Finished difference Result 129 states and 163 transitions. [2021-11-23 12:37:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:37:58,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 163 transitions. [2021-11-23 12:37:58,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2021-11-23 12:37:58,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 129 states and 163 transitions. [2021-11-23 12:37:58,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129 [2021-11-23 12:37:58,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129 [2021-11-23 12:37:58,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 163 transitions. [2021-11-23 12:37:58,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:58,183 INFO L681 BuchiCegarLoop]: Abstraction has 129 states and 163 transitions. [2021-11-23 12:37:58,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 163 transitions. [2021-11-23 12:37:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-23 12:37:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 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) [2021-11-23 12:37:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2021-11-23 12:37:58,199 INFO L704 BuchiCegarLoop]: Abstraction has 129 states and 163 transitions. [2021-11-23 12:37:58,199 INFO L587 BuchiCegarLoop]: Abstraction has 129 states and 163 transitions. [2021-11-23 12:37:58,199 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-23 12:37:58,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 163 transitions. [2021-11-23 12:37:58,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2021-11-23 12:37:58,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:58,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:58,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:58,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:58,218 INFO L791 eck$LassoCheckResult]: Stem: 1284#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1271#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1243#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 1244#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1212#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1213#L211-1 assume { :end_inline_init_threads } true; 1272#L323-2 assume !false; 1237#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 1238#L272 assume !false; 1340#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 1339#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 1338#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 1337#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 1336#L252 assume 0 != eval_~tmp___1~0#1; 1335#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 1334#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 1323#L106 assume 0 == ~p_dw_pc~0; 1257#L117-1 [2021-11-23 12:37:58,219 INFO L793 eck$LassoCheckResult]: Loop: 1257#L117-1 assume !false; 1248#L118 assume !(0 == ~q_free~0); 1250#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 1285#L42 assume !(1 == ~p_dw_pc~0); 1293#L42-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 1264#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 1214#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 1215#L84 assume 0 != immediate_notify_threads_~tmp~0#1;~p_dw_st~0 := 0; 1254#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 1223#L61 assume 1 == ~c_dr_pc~0; 1224#L62 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 1280#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 1262#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 1263#L92 assume 0 != immediate_notify_threads_~tmp___0~0#1;~c_dr_st~0 := 0; 1279#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 1257#L117-1 [2021-11-23 12:37:58,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1617121625, now seen corresponding path program 1 times [2021-11-23 12:37:58,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263242455] [2021-11-23 12:37:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,232 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:58,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,249 INFO L85 PathProgramCache]: Analyzing trace with hash -572267128, now seen corresponding path program 1 times [2021-11-23 12:37:58,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634912514] [2021-11-23 12:37:58,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:58,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:58,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634912514] [2021-11-23 12:37:58,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634912514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:58,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:58,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 12:37:58,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195543194] [2021-11-23 12:37:58,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:58,331 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:58,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:58,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:37:58,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:37:58,333 INFO L87 Difference]: Start difference. First operand 129 states and 163 transitions. cyclomatic complexity: 36 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2021-11-23 12:37:58,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:58,431 INFO L93 Difference]: Finished difference Result 285 states and 356 transitions. [2021-11-23 12:37:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 12:37:58,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 356 transitions. [2021-11-23 12:37:58,440 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 264 [2021-11-23 12:37:58,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 356 transitions. [2021-11-23 12:37:58,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2021-11-23 12:37:58,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2021-11-23 12:37:58,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 356 transitions. [2021-11-23 12:37:58,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:58,447 INFO L681 BuchiCegarLoop]: Abstraction has 285 states and 356 transitions. [2021-11-23 12:37:58,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 356 transitions. [2021-11-23 12:37:58,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 138. [2021-11-23 12:37:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.2391304347826086) internal successors, (171), 137 states have internal predecessors, (171), 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) [2021-11-23 12:37:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 171 transitions. [2021-11-23 12:37:58,469 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 171 transitions. [2021-11-23 12:37:58,469 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 171 transitions. [2021-11-23 12:37:58,469 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-23 12:37:58,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 171 transitions. [2021-11-23 12:37:58,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2021-11-23 12:37:58,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:58,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:58,472 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:58,472 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:58,472 INFO L791 eck$LassoCheckResult]: Stem: 1716#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1701#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1669#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 1670#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1643#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1644#L211-1 assume { :end_inline_init_threads } true; 1702#L323-2 assume !false; 1746#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 1744#L272 assume !false; 1742#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 1740#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 1738#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 1735#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 1733#L252 assume 0 != eval_~tmp___1~0#1; 1731#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 1729#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 1726#L106 assume 0 == ~p_dw_pc~0; 1725#L117-1 [2021-11-23 12:37:58,473 INFO L793 eck$LassoCheckResult]: Loop: 1725#L117-1 assume !false; 1674#L118 assume !(0 == ~q_free~0); 1676#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 1717#L42 assume !(1 == ~p_dw_pc~0); 1724#L42-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 1747#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 1745#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 1743#L84 assume !(0 != immediate_notify_threads_~tmp~0#1); 1741#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 1739#L61 assume !(1 == ~c_dr_pc~0); 1736#L61-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 1734#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 1732#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 1730#L92 assume 0 != immediate_notify_threads_~tmp___0~0#1;~c_dr_st~0 := 0; 1728#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 1725#L117-1 [2021-11-23 12:37:58,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1617121625, now seen corresponding path program 2 times [2021-11-23 12:37:58,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74864039] [2021-11-23 12:37:58,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,499 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:58,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1175668571, now seen corresponding path program 1 times [2021-11-23 12:37:58,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492729641] [2021-11-23 12:37:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:37:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:37:58,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:37:58,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492729641] [2021-11-23 12:37:58,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492729641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:37:58,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:37:58,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 12:37:58,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629273386] [2021-11-23 12:37:58,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:37:58,634 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:37:58,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:37:58,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:37:58,636 INFO L87 Difference]: Start difference. First operand 138 states and 171 transitions. cyclomatic complexity: 35 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2021-11-23 12:37:58,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:58,715 INFO L93 Difference]: Finished difference Result 306 states and 370 transitions. [2021-11-23 12:37:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 12:37:58,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 306 states and 370 transitions. [2021-11-23 12:37:58,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 288 [2021-11-23 12:37:58,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 306 states to 306 states and 370 transitions. [2021-11-23 12:37:58,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2021-11-23 12:37:58,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2021-11-23 12:37:58,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 370 transitions. [2021-11-23 12:37:58,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:58,726 INFO L681 BuchiCegarLoop]: Abstraction has 306 states and 370 transitions. [2021-11-23 12:37:58,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 370 transitions. [2021-11-23 12:37:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 150. [2021-11-23 12:37:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 150 states have (on average 1.22) internal successors, (183), 149 states have internal predecessors, (183), 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) [2021-11-23 12:37:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2021-11-23 12:37:58,735 INFO L704 BuchiCegarLoop]: Abstraction has 150 states and 183 transitions. [2021-11-23 12:37:58,735 INFO L587 BuchiCegarLoop]: Abstraction has 150 states and 183 transitions. [2021-11-23 12:37:58,735 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-23 12:37:58,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 183 transitions. [2021-11-23 12:37:58,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 132 [2021-11-23 12:37:58,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:58,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:58,738 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:58,739 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:58,739 INFO L791 eck$LassoCheckResult]: Stem: 2175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 2159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 2128#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 2129#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2099#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2100#L211-1 assume { :end_inline_init_threads } true; 2160#L323-2 assume !false; 2123#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 2124#L272 assume !false; 2234#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 2233#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 2232#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 2231#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 2230#L252 assume 0 != eval_~tmp___1~0#1; 2229#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 2228#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 2226#L106 assume 0 == ~p_dw_pc~0; 2225#L117-1 [2021-11-23 12:37:58,739 INFO L793 eck$LassoCheckResult]: Loop: 2225#L117-1 assume !false; 2224#L118 assume !(0 == ~q_free~0); 2223#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 2222#L42 assume !(1 == ~p_dw_pc~0); 2190#L42-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 2150#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 2101#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 2102#L84 assume !(0 != immediate_notify_threads_~tmp~0#1); 2173#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 2241#L61 assume !(1 == ~c_dr_pc~0); 2169#L61-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 2170#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 2191#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 2166#L92 assume !(0 != immediate_notify_threads_~tmp___0~0#1); 2167#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 2225#L117-1 [2021-11-23 12:37:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1617121625, now seen corresponding path program 3 times [2021-11-23 12:37:58,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656100678] [2021-11-23 12:37:58,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,748 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:58,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1175668509, now seen corresponding path program 1 times [2021-11-23 12:37:58,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498297973] [2021-11-23 12:37:58,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,778 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:58,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:58,786 INFO L85 PathProgramCache]: Analyzing trace with hash -667670147, now seen corresponding path program 1 times [2021-11-23 12:37:58,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:58,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911424633] [2021-11-23 12:37:58,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:58,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,807 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:58,822 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:59,097 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:37:59,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:37:59,099 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:37:59,099 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:37:59,099 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:37:59,099 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:59,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:37:59,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:37:59,100 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration9_Loop [2021-11-23 12:37:59,100 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:37:59,100 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:37:59,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:37:59,383 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:37:59,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:59,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:59,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:59,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 12:37:59,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:37:59,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:37:59,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:37:59,417 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_read_c_triggered_~__retres1~1#1=0, ULTIMATE.start_immediate_notify_threads_~tmp___0~0#1=0, ULTIMATE.start_is_do_read_c_triggered_#res#1=0} Honda state: {ULTIMATE.start_is_do_read_c_triggered_~__retres1~1#1=0, ULTIMATE.start_immediate_notify_threads_~tmp___0~0#1=0, ULTIMATE.start_is_do_read_c_triggered_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:37:59,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:59,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:59,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:59,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:59,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 12:37:59,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:37:59,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:37:59,490 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:37:59,490 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_immediate_notify_threads_#t~ret4#1=0} Honda state: {ULTIMATE.start_immediate_notify_threads_#t~ret4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:37:59,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:59,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:59,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:59,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:59,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:37:59,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:37:59,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 12:37:59,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:59,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:59,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:59,652 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:59,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 12:37:59,657 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:37:59,657 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:37:59,743 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:37:59,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:59,747 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:37:59,748 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:37:59,748 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:37:59,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:37:59,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:37:59,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:59,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:37:59,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:37:59,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration9_Loop [2021-11-23 12:37:59,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:37:59,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:37:59,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:59,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:37:59,990 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:37:59,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:59,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:59,999 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 12:38:00,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,111 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:00,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,114 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:00,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 12:38:00,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,176 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 12:38:00,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,245 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 12:38:00,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,319 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 12:38:00,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,395 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 12:38:00,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,491 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,498 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 [2021-11-23 12:38:00,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 12:38:00,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,550 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 12:38:00,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,628 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:00,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 12:38:00,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,693 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 12:38:00,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,705 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:00,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,706 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:00,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,742 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 12:38:00,744 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 [2021-11-23 12:38:00,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,753 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:00,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:00,754 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:00,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,806 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 12:38:00,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,808 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 12:38:00,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:00,824 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:00,827 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:00,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,898 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:00,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 12:38:00,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:00,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:00,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:00,919 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:00,919 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:00,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:00,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:00,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:00,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:00,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:00,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:00,977 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:00,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,000 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,002 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:01,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 12:38:01,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,063 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,087 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,088 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:01,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 12:38:01,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,155 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,178 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,180 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:01,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 12:38:01,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,235 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 12:38:01,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,250 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,251 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:01,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,324 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,343 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,344 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:01,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 12:38:01,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-23 12:38:01,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,381 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,382 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 [2021-11-23 12:38:01,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,392 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,394 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:01,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 12:38:01,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,461 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,476 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,477 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:01,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 12:38:01,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,535 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,553 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:01,553 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:01,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 12:38:01,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,601 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 12:38:01,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,613 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:01,613 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:01,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:01,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,663 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 12:38:01,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,664 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 12:38:01,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,696 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:01,700 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:01,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-23 12:38:01,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,741 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,757 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:01,757 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:01,761 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:01,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 12:38:01,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,819 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:01,836 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:01,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 12:38:01,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,897 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 12:38:01,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:01,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:01,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-23 12:38:01,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,938 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 12:38:01,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:01,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,957 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:01,958 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:01,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:01,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:01,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:01,984 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:01,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 12:38:01,986 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 [2021-11-23 12:38:01,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:01,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:01,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:01,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:01,995 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:01,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:01,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:01,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,021 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 12:38:02,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,048 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:02,050 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:02,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-23 12:38:02,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,102 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 12:38:02,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,113 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:02,124 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:02,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-23 12:38:02,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,171 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 12:38:02,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,183 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:02,184 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:02,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,213 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 12:38:02,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,224 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:02,224 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:02,227 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:02,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,288 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 12:38:02,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,301 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:02,301 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:02,302 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:02,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-23 12:38:02,329 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 12:38:02,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,330 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 12:38:02,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,343 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,349 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:02,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,423 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,444 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:02,444 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,448 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-23 12:38:02,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 12:38:02,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,512 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,528 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,530 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:02,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 12:38:02,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,593 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,609 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,610 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:02,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 12:38:02,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,675 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,690 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,692 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:02,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 12:38:02,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,750 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,767 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,769 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:02,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 12:38:02,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,822 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:02,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,839 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,841 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:02,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 12:38:02,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,895 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,904 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 [2021-11-23 12:38:02,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:02,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:02,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:02,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:02,916 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:02,932 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:02,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:02,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 12:38:02,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:02,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:02,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:02,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:02,987 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:02,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:03,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,002 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:03,004 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:03,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 12:38:03,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,068 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:03,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,083 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:03,083 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:03,085 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-23 12:38:03,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 12:38:03,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,133 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 12:38:03,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:03,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,144 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:03,144 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:03,147 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-23 12:38:03,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-23 12:38:03,201 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 12:38:03,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,202 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 12:38:03,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,214 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,215 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,217 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-23 12:38:03,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,268 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 12:38:03,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,278 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,278 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:03,278 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:03,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,327 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 12:38:03,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,338 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,338 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,339 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-23 12:38:03,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,384 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 12:38:03,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,394 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,394 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,395 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,395 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-23 12:38:03,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,451 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,468 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,468 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,470 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 12:38:03,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,527 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,540 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,540 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,542 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-23 12:38:03,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,593 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,606 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,606 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,607 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,608 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-23 12:38:03,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,663 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,678 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,678 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,681 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 12:38:03,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,746 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 12:38:03,775 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,775 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,776 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,777 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:38:03,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,831 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,844 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,845 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,845 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:03,845 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:03,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 12:38:03,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-23 12:38:03,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,895 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 12:38:03,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,907 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,907 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:03,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,907 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:03,907 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:38:03,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:03,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:03,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:03,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:03,977 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 12:38:03,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:03,978 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:03,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 12:38:03,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:03,992 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:03,992 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:03,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:03,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:03,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:03,992 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:03,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:03,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,051 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,071 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,071 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,071 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:04,071 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,076 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:04,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 12:38:04,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,147 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,163 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,163 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,164 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,167 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:04,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 12:38:04,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,226 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,244 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,245 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,245 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,249 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:04,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 12:38:04,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,304 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,318 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,318 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,319 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,321 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:04,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 12:38:04,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,375 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,392 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,392 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,393 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,395 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:04,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 12:38:04,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,465 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,484 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,485 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,488 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:04,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 12:38:04,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,548 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,564 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,565 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,565 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,568 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:04,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-23 12:38:04,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,631 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,644 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,644 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,645 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,646 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:04,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-23 12:38:04,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,703 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,718 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,718 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,718 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:04,718 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,721 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:04,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-23 12:38:04,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,785 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,799 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:38:04,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,799 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:04,799 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:04,802 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:04,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-23 12:38:04,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,864 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 12:38:04,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,867 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-23 12:38:04,884 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,884 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:04,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:04,885 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:04,892 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:04,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:04,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:04,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:04,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:04,957 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:04,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:04,972 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:04,973 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:04,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:04,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:04,973 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:04,973 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:04,978 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-23 12:38:04,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:04,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-23 12:38:04,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,038 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,054 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,058 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:05,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-23 12:38:05,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,123 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,139 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,139 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,141 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:05,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-23 12:38:05,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,197 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,212 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,213 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,215 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:05,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-23 12:38:05,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,274 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,288 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,288 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,289 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,291 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:05,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-23 12:38:05,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,346 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,362 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,364 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:05,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-23 12:38:05,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,412 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-23 12:38:05,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,424 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,424 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,425 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,427 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:05,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-23 12:38:05,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,465 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-23 12:38:05,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,475 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,475 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,477 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:38:05,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-23 12:38:05,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,530 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-23 12:38:05,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,546 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,546 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,546 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:05,546 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,550 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-23 12:38:05,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,615 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,655 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:05,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,656 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:05,656 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:38:05,660 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-11-23 12:38:05,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-23 12:38:05,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,721 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 12:38:05,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,723 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,738 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,738 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:05,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,739 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:05,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:05,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-23 12:38:05,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,810 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,825 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,826 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:05,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,826 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:05,826 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:05,829 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:05,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-23 12:38:05,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,883 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:05,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,895 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:05,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,896 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:05,898 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:05,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-23 12:38:05,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:05,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:05,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:05,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:05,965 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:05,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-23 12:38:05,970 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 [2021-11-23 12:38:05,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:05,981 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:05,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:05,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:05,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:05,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:05,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:05,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:05,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,038 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,052 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,052 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:06,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,053 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:06,055 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:06,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-23 12:38:06,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,115 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,129 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:06,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,129 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:06,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:06,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-23 12:38:06,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,195 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,211 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,211 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:06,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,212 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:06,213 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:06,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-23 12:38:06,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,269 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,283 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:06,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,284 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:06,286 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:06,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-23 12:38:06,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,340 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,363 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,363 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:06,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,363 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:06,365 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:06,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-23 12:38:06,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,422 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,438 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:06,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,438 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:06,438 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:06,441 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:06,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-23 12:38:06,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,502 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,516 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,516 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:38:06,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,517 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:06,517 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:38:06,519 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:06,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-23 12:38:06,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,578 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 12:38:06,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,583 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-23 12:38:06,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,597 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,597 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:06,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,646 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-23 12:38:06,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,656 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,656 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,656 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:06,656 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,673 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:38:06,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,739 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,744 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 [2021-11-23 12:38:06,755 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,756 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,756 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:06,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-23 12:38:06,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,793 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-23 12:38:06,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,804 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,805 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:06,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,835 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-23 12:38:06,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,845 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,845 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,845 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:06,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-11-23 12:38:06,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,887 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-23 12:38:06,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,897 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,897 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,897 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:06,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-23 12:38:06,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,927 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-23 12:38:06,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,936 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,936 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,937 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:06,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:06,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:06,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:06,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:06,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:06,980 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-23 12:38:06,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:06,990 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:06,990 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:06,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:06,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:06,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:06,991 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:06,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:06,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:07,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:07,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:07,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:07,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:07,053 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:07,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:07,074 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:07,074 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:07,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:07,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:07,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:07,075 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:07,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:07,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:07,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-23 12:38:07,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:07,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-23 12:38:07,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:07,127 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:07,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-23 12:38:07,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:07,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:07,137 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:07,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:07,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:07,137 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:07,137 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:07,139 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:38:07,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:07,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:07,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:07,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:07,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:07,229 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:07,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:07,243 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:38:07,243 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:38:07,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:07,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:07,243 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:07,243 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:38:07,246 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:38:07,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:07,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-23 12:38:07,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:07,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:07,959 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:38:07,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:38:07,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:38:07,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:38:07,962 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:38:07,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:07,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:38:07,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:38:07,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration9_Lasso [2021-11-23 12:38:07,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:38:07,963 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:38:07,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:07,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:07,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:08,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:38:08,555 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:38:08,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,556 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-23 12:38:08,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:08,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:08,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:08,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:08,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,620 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:08,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:08,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-23 12:38:08,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-23 12:38:08,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,689 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-23 12:38:08,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:08,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:08,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:08,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,751 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-23 12:38:08,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:08,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:08,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:08,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:08,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,791 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-23 12:38:08,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:08,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:08,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-23 12:38:08,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,835 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-23 12:38:08,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:08,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:08,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:08,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,881 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-23 12:38:08,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:08,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:08,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:08,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,922 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-23 12:38:08,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:08,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:08,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:08,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:08,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:08,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:08,964 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:08,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-23 12:38:08,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:08,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:08,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:08,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:08,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:08,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:08,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:08,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,003 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-23 12:38:09,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-11-23 12:38:09,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,044 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-23 12:38:09,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-11-23 12:38:09,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,083 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-23 12:38:09,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,124 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-23 12:38:09,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,168 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-23 12:38:09,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,206 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-23 12:38:09,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:09,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:09,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:09,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,247 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-23 12:38:09,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-11-23 12:38:09,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,288 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-23 12:38:09,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:09,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:09,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:09,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,326 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-23 12:38:09,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,337 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-23 12:38:09,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,338 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:38:09,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,368 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-23 12:38:09,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,407 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-23 12:38:09,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-11-23 12:38:09,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,457 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-23 12:38:09,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,501 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-11-23 12:38:09,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-11-23 12:38:09,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,542 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-23 12:38:09,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,584 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-23 12:38:09,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-11-23 12:38:09,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,635 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-23 12:38:09,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:09,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:09,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:09,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-11-23 12:38:09,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,707 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-23 12:38:09,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:09,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:38:09,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:38:09,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:09,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,749 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-23 12:38:09,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:09,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:09,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:09,758 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:09,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:09,762 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-23 12:38:09,762 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:38:09,773 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:38:09,835 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-23 12:38:09,835 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-23 12:38:09,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:09,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:09,847 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:09,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:38:09,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-23 12:38:09,869 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-23 12:38:09,869 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:38:09,870 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2021-11-23 12:38:09,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:09,918 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-23 12:38:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:09,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:38:09,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:38:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:10,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 12:38:10,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:38:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:38:10,296 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-23 12:38:10,297 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 150 states and 183 transitions. cyclomatic complexity: 35 Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:38:10,489 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 150 states and 183 transitions. cyclomatic complexity: 35. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 735 states and 911 transitions. Complement of second has 9 states. [2021-11-23 12:38:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 12:38:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:38:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 347 transitions. [2021-11-23 12:38:10,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 347 transitions. Stem has 17 letters. Loop has 15 letters. [2021-11-23 12:38:10,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:38:10,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 347 transitions. Stem has 32 letters. Loop has 15 letters. [2021-11-23 12:38:10,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:38:10,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 347 transitions. Stem has 17 letters. Loop has 30 letters. [2021-11-23 12:38:10,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:38:10,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 735 states and 911 transitions. [2021-11-23 12:38:10,515 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 378 [2021-11-23 12:38:10,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 735 states to 606 states and 752 transitions. [2021-11-23 12:38:10,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 443 [2021-11-23 12:38:10,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 446 [2021-11-23 12:38:10,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 606 states and 752 transitions. [2021-11-23 12:38:10,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:38:10,524 INFO L681 BuchiCegarLoop]: Abstraction has 606 states and 752 transitions. [2021-11-23 12:38:10,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states and 752 transitions. [2021-11-23 12:38:10,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 441. [2021-11-23 12:38:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 441 states have (on average 1.2448979591836735) internal successors, (549), 440 states have internal predecessors, (549), 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) [2021-11-23 12:38:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 549 transitions. [2021-11-23 12:38:10,541 INFO L704 BuchiCegarLoop]: Abstraction has 441 states and 549 transitions. [2021-11-23 12:38:10,541 INFO L587 BuchiCegarLoop]: Abstraction has 441 states and 549 transitions. [2021-11-23 12:38:10,541 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-23 12:38:10,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 441 states and 549 transitions. [2021-11-23 12:38:10,546 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 234 [2021-11-23 12:38:10,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:38:10,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:38:10,547 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:10,547 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:10,547 INFO L791 eck$LassoCheckResult]: Stem: 3266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 3237#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 3176#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 3177#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 3125#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 3126#L211-1 assume { :end_inline_init_threads } true; 3238#L323-2 assume !false; 3330#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 3329#L272 assume !false; 3328#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 3327#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 3326#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 3325#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 3324#L252 assume 0 != eval_~tmp___1~0#1; 3323#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 3322#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 3320#L106 assume !(0 == ~p_dw_pc~0); 3321#L109 assume 1 == ~p_dw_pc~0; 3244#L119 [2021-11-23 12:38:10,548 INFO L793 eck$LassoCheckResult]: Loop: 3244#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 3267#L42 assume 1 == ~p_dw_pc~0; 3282#L43 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 3535#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 3534#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 3532#L84 assume 0 != immediate_notify_threads_~tmp~0#1;~p_dw_st~0 := 0; 3530#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 3528#L61 assume 1 == ~c_dr_pc~0; 3526#L62 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 3525#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 3524#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 3522#L92 assume 0 != immediate_notify_threads_~tmp___0~0#1;~c_dr_st~0 := 0; 3521#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 3520#L117-1 assume !false; 3412#L118 assume !(0 == ~q_free~0); 3244#L119 [2021-11-23 12:38:10,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1408837313, now seen corresponding path program 1 times [2021-11-23 12:38:10,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:10,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41789825] [2021-11-23 12:38:10,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:10,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:38:10,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:38:10,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41789825] [2021-11-23 12:38:10,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41789825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:38:10,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:38:10,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:38:10,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6887839] [2021-11-23 12:38:10,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:38:10,608 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:38:10,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:10,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1955302679, now seen corresponding path program 1 times [2021-11-23 12:38:10,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:10,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170420423] [2021-11-23 12:38:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:10,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:10,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:38:10,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:38:10,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170420423] [2021-11-23 12:38:10,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170420423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:38:10,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:38:10,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 12:38:10,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484310848] [2021-11-23 12:38:10,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:38:10,640 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:38:10,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:38:10,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:38:10,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:38:10,641 INFO L87 Difference]: Start difference. First operand 441 states and 549 transitions. cyclomatic complexity: 115 Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2021-11-23 12:38:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:38:10,660 INFO L93 Difference]: Finished difference Result 304 states and 375 transitions. [2021-11-23 12:38:10,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:38:10,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 304 states and 375 transitions. [2021-11-23 12:38:10,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 167 [2021-11-23 12:38:10,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 304 states to 237 states and 291 transitions. [2021-11-23 12:38:10,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2021-11-23 12:38:10,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 237 [2021-11-23 12:38:10,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 237 states and 291 transitions. [2021-11-23 12:38:10,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:38:10,672 INFO L681 BuchiCegarLoop]: Abstraction has 237 states and 291 transitions. [2021-11-23 12:38:10,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states and 291 transitions. [2021-11-23 12:38:10,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 164. [2021-11-23 12:38:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.225609756097561) internal successors, (201), 163 states have internal predecessors, (201), 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) [2021-11-23 12:38:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 201 transitions. [2021-11-23 12:38:10,678 INFO L704 BuchiCegarLoop]: Abstraction has 164 states and 201 transitions. [2021-11-23 12:38:10,679 INFO L587 BuchiCegarLoop]: Abstraction has 164 states and 201 transitions. [2021-11-23 12:38:10,679 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-23 12:38:10,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 201 transitions. [2021-11-23 12:38:10,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 141 [2021-11-23 12:38:10,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:38:10,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:38:10,683 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:10,683 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:10,683 INFO L791 eck$LassoCheckResult]: Stem: 3948#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 3929#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 3900#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 3901#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 3879#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 3880#L211-1 assume { :end_inline_init_threads } true; 3930#L323-2 assume !false; 4010#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 4009#L272 assume !false; 4008#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 4007#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 4004#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 4003#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 4001#L252 assume 0 != eval_~tmp___1~0#1; 3963#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 3964#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 3967#L106 assume 0 == ~p_dw_pc~0; 3968#L117-1 assume !false; 3914#L118 [2021-11-23 12:38:10,684 INFO L793 eck$LassoCheckResult]: Loop: 3914#L118 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 3956#L138 assume { :end_inline_do_write_p } true; 3923#L257 assume 0 == ~c_dr_st~0;eval_~tmp___0~1#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1; 3881#L276 assume 0 != eval_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; 3882#L149 assume 0 == ~c_dr_pc~0; 3907#L182-1 assume !false; 3895#L161 assume !(1 == ~q_free~0); 3892#L162-1 do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 3939#L42-3 assume 1 == ~p_dw_pc~0; 4005#L43-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 3983#L53-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 3979#L54-1 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 3980#L84-3 assume 0 != immediate_notify_threads_~tmp~0#1;~p_dw_st~0 := 0; 3876#L84-5 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 3997#L61-3 assume !(1 == ~c_dr_pc~0); 3909#L61-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 3877#L72-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 3878#L73-1 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 3931#L92-3 assume !(0 != immediate_notify_threads_~tmp___0~0#1); 3932#L92-5 assume { :end_inline_immediate_notify_threads } true;~q_read_ev~0 := 2; 3988#L182 assume ~p_last_write~0 == ~c_last_read~0; 3985#L183 assume ~p_num_write~0 == ~c_num_read~0; 3984#L182-1 assume !false; 3960#L161 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0#1; 3961#L196 assume { :end_inline_do_read_c } true; 3976#L272 assume !false; 3975#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 3974#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 3973#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 3972#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 3971#L252 assume 0 != eval_~tmp___1~0#1; 3970#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 3959#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 3941#L106 assume !(0 == ~p_dw_pc~0); 3935#L109 assume 1 == ~p_dw_pc~0; 3936#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 3946#L42 assume 1 == ~p_dw_pc~0; 3949#L43 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 3950#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 4034#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 4033#L84 assume 0 != immediate_notify_threads_~tmp~0#1;~p_dw_st~0 := 0; 3910#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 3884#L61 assume 1 == ~c_dr_pc~0; 3885#L62 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 3955#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 4036#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 4035#L92 assume 0 != immediate_notify_threads_~tmp___0~0#1;~c_dr_st~0 := 0; 3938#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 3913#L117-1 assume !false; 3914#L118 [2021-11-23 12:38:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:10,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1408837262, now seen corresponding path program 1 times [2021-11-23 12:38:10,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:10,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500511696] [2021-11-23 12:38:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:10,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:10,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:38:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:10,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:38:10,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:10,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1519593465, now seen corresponding path program 1 times [2021-11-23 12:38:10,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:10,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177665493] [2021-11-23 12:38:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:10,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:38:10,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:38:10,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177665493] [2021-11-23 12:38:10,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177665493] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:38:10,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:38:10,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:38:10,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59247694] [2021-11-23 12:38:10,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:38:10,753 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:38:10,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:38:10,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:38:10,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:38:10,754 INFO L87 Difference]: Start difference. First operand 164 states and 201 transitions. cyclomatic complexity: 38 Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-23 12:38:10,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:38:10,765 INFO L93 Difference]: Finished difference Result 161 states and 196 transitions. [2021-11-23 12:38:10,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:38:10,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 196 transitions. [2021-11-23 12:38:10,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 138 [2021-11-23 12:38:10,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 196 transitions. [2021-11-23 12:38:10,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 161 [2021-11-23 12:38:10,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 161 [2021-11-23 12:38:10,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 196 transitions. [2021-11-23 12:38:10,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:38:10,771 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 196 transitions. [2021-11-23 12:38:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 196 transitions. [2021-11-23 12:38:10,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-11-23 12:38:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.2173913043478262) internal successors, (196), 160 states have internal predecessors, (196), 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) [2021-11-23 12:38:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 196 transitions. [2021-11-23 12:38:10,776 INFO L704 BuchiCegarLoop]: Abstraction has 161 states and 196 transitions. [2021-11-23 12:38:10,776 INFO L587 BuchiCegarLoop]: Abstraction has 161 states and 196 transitions. [2021-11-23 12:38:10,777 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-23 12:38:10,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 196 transitions. [2021-11-23 12:38:10,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 138 [2021-11-23 12:38:10,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:38:10,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:38:10,781 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:10,781 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:10,781 INFO L791 eck$LassoCheckResult]: Stem: 4280#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 4262#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 4233#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 4234#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 4208#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 4209#L211-1 assume { :end_inline_init_threads } true; 4263#L323-2 assume !false; 4228#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 4229#L272 assume !false; 4310#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 4308#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 4306#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 4305#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 4304#L252 assume 0 != eval_~tmp___1~0#1; 4301#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 4299#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 4295#L106 assume 0 == ~p_dw_pc~0; 4296#L117-1 assume !false; 4290#L118 [2021-11-23 12:38:10,784 INFO L793 eck$LassoCheckResult]: Loop: 4290#L118 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 4287#L138 assume { :end_inline_do_write_p } true; 4256#L257 assume 0 == ~c_dr_st~0;eval_~tmp___0~1#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1; 4212#L276 assume 0 != eval_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; 4213#L149 assume 0 == ~c_dr_pc~0; 4242#L182-1 assume !false; 4224#L161 assume !(1 == ~q_free~0); 4223#L162-1 do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 4237#L42-3 assume 1 == ~p_dw_pc~0; 4238#L43-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 4261#L53-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 4334#L54-1 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 4331#L84-3 assume 0 != immediate_notify_threads_~tmp~0#1;~p_dw_st~0 := 0; 4205#L84-5 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 4265#L61-3 assume !(1 == ~c_dr_pc~0); 4241#L61-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 4206#L72-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 4207#L73-1 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 4264#L92-3 assume !(0 != immediate_notify_threads_~tmp___0~0#1); 4250#L92-5 assume { :end_inline_immediate_notify_threads } true;~q_read_ev~0 := 2; 4251#L182 assume ~p_last_write~0 == ~c_last_read~0; 4248#L183 assume ~p_num_write~0 == ~c_num_read~0; 4249#L182-1 assume !false; 4340#L161 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0#1; 4288#L196 assume { :end_inline_do_read_c } true; 4269#L272 assume !false; 4270#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 4225#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 4226#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 4341#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 4339#L252 assume 0 != eval_~tmp___1~0#1; 4338#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 4289#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 4275#L106 assume !(0 == ~p_dw_pc~0); 4266#L109 assume 1 == ~p_dw_pc~0; 4267#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 4281#L42 assume 1 == ~p_dw_pc~0; 4282#L43 assume !(1 == ~q_read_ev~0); 4283#L42-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 4254#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 4210#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 4211#L84 assume !(0 != immediate_notify_threads_~tmp~0#1); 4244#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 4215#L61 assume 1 == ~c_dr_pc~0; 4216#L62 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 4286#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 4293#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 4292#L92 assume 0 != immediate_notify_threads_~tmp___0~0#1;~c_dr_st~0 := 0; 4268#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 4285#L117-1 assume !false; 4290#L118 [2021-11-23 12:38:10,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1408837262, now seen corresponding path program 2 times [2021-11-23 12:38:10,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:10,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311935003] [2021-11-23 12:38:10,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:10,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:10,795 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:38:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:10,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:38:10,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:10,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1305776789, now seen corresponding path program 1 times [2021-11-23 12:38:10,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:10,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945676294] [2021-11-23 12:38:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:10,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:10,828 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:38:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:10,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:38:10,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:10,848 INFO L85 PathProgramCache]: Analyzing trace with hash 267286200, now seen corresponding path program 1 times [2021-11-23 12:38:10,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:10,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142425801] [2021-11-23 12:38:10,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:10,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 12:38:10,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:38:10,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142425801] [2021-11-23 12:38:10,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142425801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:38:10,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:38:10,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:38:10,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070206280] [2021-11-23 12:38:10,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:38:11,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:11,624 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:38:11,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:38:11,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:38:11,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:38:11,624 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:38:11,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:11,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:38:11,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:38:11,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration12_Loop [2021-11-23 12:38:11,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:38:11,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:38:11,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:11,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:38:11,961 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:38:11,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:11,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:11,973 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:11,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:11,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:11,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-23 12:38:11,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:11,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_do_write_p_#t~nondet6#1=0} Honda state: {ULTIMATE.start_do_write_p_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:12,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,012 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-11-23 12:38:12,013 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,013 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,022 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,023 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_immediate_notify_threads_#t~ret5#1=0} Honda state: {ULTIMATE.start_immediate_notify_threads_#t~ret5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-11-23 12:38:12,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,047 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-11-23 12:38:12,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,058 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,058 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_write_ev~0=2} Honda state: {~q_write_ev~0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:12,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,081 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-23 12:38:12,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,098 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,099 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet8#1=-8, ULTIMATE.start_eval_~tmp~1#1=-8} Honda state: {ULTIMATE.start_eval_#t~nondet8#1=-8, ULTIMATE.start_eval_~tmp~1#1=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-11-23 12:38:12,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,122 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-23 12:38:12,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,133 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,133 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_read_ev~0=2} Honda state: {~q_read_ev~0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-11-23 12:38:12,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,158 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-23 12:38:12,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,177 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_exists_runnable_thread_~__retres1~2#1=1, ULTIMATE.start_exists_runnable_thread_#res#1=1, ULTIMATE.start_eval_~tmp___1~0#1=1} Honda state: {ULTIMATE.start_exists_runnable_thread_~__retres1~2#1=1, ULTIMATE.start_exists_runnable_thread_#res#1=1, ULTIMATE.start_eval_~tmp___1~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-11-23 12:38:12,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,202 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-23 12:38:12,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,204 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,213 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,213 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~ret7#1=0} Honda state: {ULTIMATE.start_eval_#t~ret7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:12,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,239 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-23 12:38:12,240 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,240 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,250 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,250 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p_dw_st~0=1} Honda state: {~p_dw_st~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-11-23 12:38:12,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,275 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-23 12:38:12,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,286 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,287 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_free~0=0} Honda state: {~q_free~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-11-23 12:38:12,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,312 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-11-23 12:38:12,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-11-23 12:38:12,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,349 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-11-23 12:38:12,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:38:12,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,450 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,450 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_num_read~0=1, ~p_num_write~0=2} Honda state: {~c_num_read~0=1, ~p_num_write~0=2} Generalized eigenvectors: [{~c_num_read~0=-1, ~p_num_write~0=-1}, {~c_num_read~0=4, ~p_num_write~0=4}, {~c_num_read~0=-2, ~p_num_write~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] [2021-11-23 12:38:12,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:12,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,478 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-11-23 12:38:12,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,489 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,489 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p_dw_pc~0=1} Honda state: {~p_dw_pc~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:12,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,514 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-23 12:38:12,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,531 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:38:12,531 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_write_p_triggered_~__retres1~0#1=0, ULTIMATE.start_is_do_write_p_triggered_#res#1=0, ULTIMATE.start_immediate_notify_threads_~tmp~0#1=0} Honda state: {ULTIMATE.start_is_do_write_p_triggered_~__retres1~0#1=0, ULTIMATE.start_is_do_write_p_triggered_#res#1=0, ULTIMATE.start_immediate_notify_threads_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:38:12,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-11-23 12:38:12,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,556 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-23 12:38:12,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:38:12,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-11-23 12:38:12,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:12,592 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:12,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-23 12:38:12,594 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:38:12,594 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:38:12,604 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:38:12,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:12,628 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:38:12,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:38:12,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:38:12,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:38:12,628 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:38:12,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:12,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:38:12,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:38:12,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration12_Loop [2021-11-23 12:38:12,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:38:12,629 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:38:12,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:12,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:38:13,004 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:38:13,004 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:38:13,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,017 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-11-23 12:38:13,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:13,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,086 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,092 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 [2021-11-23 12:38:13,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-11-23 12:38:13,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:13,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,167 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,170 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 [2021-11-23 12:38:13,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,181 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:38:13,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,201 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:38:13,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-11-23 12:38:13,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-11-23 12:38:13,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,244 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-11-23 12:38:13,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-11-23 12:38:13,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,282 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-11-23 12:38:13,284 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 [2021-11-23 12:38:13,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-11-23 12:38:13,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,319 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-11-23 12:38:13,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-11-23 12:38:13,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,356 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-11-23 12:38:13,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-11-23 12:38:13,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,395 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-11-23 12:38:13,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-11-23 12:38:13,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,433 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-11-23 12:38:13,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-11-23 12:38:13,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,472 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-11-23 12:38:13,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:13,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,536 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-11-23 12:38:13,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:38:13,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-11-23 12:38:13,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,574 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-11-23 12:38:13,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:38:13,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:38:13,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:38:13,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:38:13,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:38:13,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:38:13,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:38:13,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:38:13,589 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:38:13,591 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 12:38:13,591 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 12:38:13,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:38:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:13,592 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:13,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-11-23 12:38:13,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:38:13,594 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 12:38:13,594 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:38:13,594 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~c_dr_pc~0) = -2*~c_dr_pc~0 + 1 Supporting invariants [] [2021-11-23 12:38:13,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:13,618 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 12:38:13,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:13,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:38:13,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:38:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:13,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:38:13,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:38:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 12:38:14,062 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 12:38:14,063 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 161 states and 196 transitions. cyclomatic complexity: 36 Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2021-11-23 12:38:14,115 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 161 states and 196 transitions. cyclomatic complexity: 36. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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 553 states and 674 transitions. Complement of second has 7 states. [2021-11-23 12:38:14,116 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 [2021-11-23 12:38:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2021-11-23 12:38:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 149 transitions. [2021-11-23 12:38:14,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 149 transitions. Stem has 18 letters. Loop has 50 letters. [2021-11-23 12:38:14,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:38:14,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 149 transitions. Stem has 68 letters. Loop has 50 letters. [2021-11-23 12:38:14,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:38:14,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 149 transitions. Stem has 18 letters. Loop has 100 letters. [2021-11-23 12:38:14,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:38:14,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 553 states and 674 transitions. [2021-11-23 12:38:14,129 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 278 [2021-11-23 12:38:14,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 553 states to 498 states and 601 transitions. [2021-11-23 12:38:14,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 359 [2021-11-23 12:38:14,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2021-11-23 12:38:14,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 498 states and 601 transitions. [2021-11-23 12:38:14,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:38:14,137 INFO L681 BuchiCegarLoop]: Abstraction has 498 states and 601 transitions. [2021-11-23 12:38:14,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states and 601 transitions. [2021-11-23 12:38:14,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 412. [2021-11-23 12:38:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 412 states have (on average 1.2063106796116505) internal successors, (497), 411 states have internal predecessors, (497), 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) [2021-11-23 12:38:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 497 transitions. [2021-11-23 12:38:14,149 INFO L704 BuchiCegarLoop]: Abstraction has 412 states and 497 transitions. [2021-11-23 12:38:14,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:38:14,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:38:14,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:38:14,150 INFO L87 Difference]: Start difference. First operand 412 states and 497 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-11-23 12:38:14,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:38:14,286 INFO L93 Difference]: Finished difference Result 517 states and 615 transitions. [2021-11-23 12:38:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 12:38:14,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 517 states and 615 transitions. [2021-11-23 12:38:14,293 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 270 [2021-11-23 12:38:14,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 517 states to 491 states and 586 transitions. [2021-11-23 12:38:14,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 347 [2021-11-23 12:38:14,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 347 [2021-11-23 12:38:14,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 491 states and 586 transitions. [2021-11-23 12:38:14,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:38:14,299 INFO L681 BuchiCegarLoop]: Abstraction has 491 states and 586 transitions. [2021-11-23 12:38:14,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states and 586 transitions. [2021-11-23 12:38:14,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 370. [2021-11-23 12:38:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 370 states have (on average 1.1945945945945946) internal successors, (442), 369 states have internal predecessors, (442), 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) [2021-11-23 12:38:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 442 transitions. [2021-11-23 12:38:14,311 INFO L704 BuchiCegarLoop]: Abstraction has 370 states and 442 transitions. [2021-11-23 12:38:14,312 INFO L587 BuchiCegarLoop]: Abstraction has 370 states and 442 transitions. [2021-11-23 12:38:14,312 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-23 12:38:14,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 370 states and 442 transitions. [2021-11-23 12:38:14,315 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2021-11-23 12:38:14,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:38:14,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:38:14,316 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:14,316 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:14,317 INFO L791 eck$LassoCheckResult]: Stem: 6232#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6202#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6146#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 6147#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6092#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6093#L211-1 assume { :end_inline_init_threads } true; 6203#L323-2 assume !false; 6358#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 6357#L272 assume !false; 6356#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 6355#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 6354#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 6353#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 6352#L252 assume 0 != eval_~tmp___1~0#1; 6351#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 6350#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 6349#L106 assume 0 == ~p_dw_pc~0; 6283#L117-1 assume !false; 6279#L118 assume !(0 == ~q_free~0); 6280#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 6359#L42 assume !(1 == ~p_dw_pc~0); 6240#L42-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 6185#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 6186#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 6228#L84 assume !(0 != immediate_notify_threads_~tmp~0#1); 6229#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 6112#L61 assume 1 == ~c_dr_pc~0; 6113#L62 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 6323#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 6324#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 6319#L92 assume !(0 != immediate_notify_threads_~tmp___0~0#1); 6217#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 6170#L117-1 assume !false; 6171#L118 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 6260#L138 assume { :end_inline_do_write_p } true; 6261#L257 [2021-11-23 12:38:14,317 INFO L793 eck$LassoCheckResult]: Loop: 6261#L257 assume !(0 == ~c_dr_st~0); 6373#L272 assume !false; 6415#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 6414#L224 assume !(0 == ~p_dw_st~0); 6412#L228 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 6410#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 6411#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 6377#L252 assume 0 != eval_~tmp___1~0#1; 6376#L252-1 assume !(0 == ~p_dw_st~0); 6261#L257 [2021-11-23 12:38:14,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:14,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1627602320, now seen corresponding path program 1 times [2021-11-23 12:38:14,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:14,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370226637] [2021-11-23 12:38:14,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:14,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:38:14,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:38:14,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370226637] [2021-11-23 12:38:14,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370226637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:38:14,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:38:14,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:38:14,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152432100] [2021-11-23 12:38:14,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:38:14,381 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:38:14,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:14,381 INFO L85 PathProgramCache]: Analyzing trace with hash 718963476, now seen corresponding path program 1 times [2021-11-23 12:38:14,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:14,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728310816] [2021-11-23 12:38:14,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:14,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:38:14,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:38:14,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728310816] [2021-11-23 12:38:14,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728310816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:38:14,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:38:14,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:38:14,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435083855] [2021-11-23 12:38:14,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:38:14,394 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:38:14,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:38:14,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:38:14,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:38:14,395 INFO L87 Difference]: Start difference. First operand 370 states and 442 transitions. cyclomatic complexity: 77 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:38:14,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:38:14,418 INFO L93 Difference]: Finished difference Result 424 states and 485 transitions. [2021-11-23 12:38:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:38:14,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 424 states and 485 transitions. [2021-11-23 12:38:14,424 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 159 [2021-11-23 12:38:14,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 424 states to 376 states and 427 transitions. [2021-11-23 12:38:14,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2021-11-23 12:38:14,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 301 [2021-11-23 12:38:14,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 376 states and 427 transitions. [2021-11-23 12:38:14,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:38:14,429 INFO L681 BuchiCegarLoop]: Abstraction has 376 states and 427 transitions. [2021-11-23 12:38:14,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states and 427 transitions. [2021-11-23 12:38:14,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 282. [2021-11-23 12:38:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.1560283687943262) internal successors, (326), 281 states have internal predecessors, (326), 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) [2021-11-23 12:38:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 326 transitions. [2021-11-23 12:38:14,437 INFO L704 BuchiCegarLoop]: Abstraction has 282 states and 326 transitions. [2021-11-23 12:38:14,437 INFO L587 BuchiCegarLoop]: Abstraction has 282 states and 326 transitions. [2021-11-23 12:38:14,437 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-23 12:38:14,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 326 transitions. [2021-11-23 12:38:14,440 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2021-11-23 12:38:14,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:38:14,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:38:14,441 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:14,441 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:14,441 INFO L791 eck$LassoCheckResult]: Stem: 7018#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6991#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6942#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 6943#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6901#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6902#L211-1 assume { :end_inline_init_threads } true; 6992#L323-2 assume !false; 7078#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 7076#L272 assume !false; 7074#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 7072#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 7070#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 7068#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 7066#L252 assume 0 != eval_~tmp___1~0#1; 7064#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 7062#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 7059#L106 assume 0 == ~p_dw_pc~0; 7058#L117-1 assume !false; 7056#L118 assume !(0 == ~q_free~0); 7057#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 7164#L42 assume !(1 == ~p_dw_pc~0); 7161#L42-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 7159#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 7158#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 7156#L84 assume !(0 != immediate_notify_threads_~tmp~0#1); 7154#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 7153#L61 assume 1 == ~c_dr_pc~0; 7151#L62 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 7149#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 7146#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 7143#L92 assume !(0 != immediate_notify_threads_~tmp___0~0#1); 7140#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 7138#L117-1 assume !false; 7107#L118 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 7104#L138 assume { :end_inline_do_write_p } true; 7102#L257 [2021-11-23 12:38:14,441 INFO L793 eck$LassoCheckResult]: Loop: 7102#L257 assume 0 == ~c_dr_st~0;eval_~tmp___0~1#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1; 6911#L276 assume !(0 != eval_~tmp___0~1#1); 6913#L272 assume !false; 7116#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 7114#L224 assume !(0 == ~p_dw_st~0); 7112#L228 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 7111#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 7110#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 7108#L252 assume 0 != eval_~tmp___1~0#1; 7105#L252-1 assume !(0 == ~p_dw_st~0); 7102#L257 [2021-11-23 12:38:14,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:14,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1627602320, now seen corresponding path program 2 times [2021-11-23 12:38:14,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:14,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72029364] [2021-11-23 12:38:14,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:14,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:38:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:38:14,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:38:14,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72029364] [2021-11-23 12:38:14,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72029364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:38:14,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:38:14,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:38:14,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666835942] [2021-11-23 12:38:14,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:38:14,506 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:38:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:14,507 INFO L85 PathProgramCache]: Analyzing trace with hash -934954508, now seen corresponding path program 1 times [2021-11-23 12:38:14,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:14,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492806186] [2021-11-23 12:38:14,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:14,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,511 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:38:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,514 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:38:14,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:38:14,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:38:14,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:38:14,573 INFO L87 Difference]: Start difference. First operand 282 states and 326 transitions. cyclomatic complexity: 48 Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:38:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:38:14,688 INFO L93 Difference]: Finished difference Result 454 states and 501 transitions. [2021-11-23 12:38:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 12:38:14,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 454 states and 501 transitions. [2021-11-23 12:38:14,693 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 180 [2021-11-23 12:38:14,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 454 states to 453 states and 500 transitions. [2021-11-23 12:38:14,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 348 [2021-11-23 12:38:14,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 348 [2021-11-23 12:38:14,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 453 states and 500 transitions. [2021-11-23 12:38:14,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:38:14,699 INFO L681 BuchiCegarLoop]: Abstraction has 453 states and 500 transitions. [2021-11-23 12:38:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states and 500 transitions. [2021-11-23 12:38:14,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 298. [2021-11-23 12:38:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 298 states have (on average 1.1275167785234899) internal successors, (336), 297 states have internal predecessors, (336), 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) [2021-11-23 12:38:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 336 transitions. [2021-11-23 12:38:14,708 INFO L704 BuchiCegarLoop]: Abstraction has 298 states and 336 transitions. [2021-11-23 12:38:14,708 INFO L587 BuchiCegarLoop]: Abstraction has 298 states and 336 transitions. [2021-11-23 12:38:14,709 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-23 12:38:14,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 298 states and 336 transitions. [2021-11-23 12:38:14,711 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 112 [2021-11-23 12:38:14,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:38:14,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:38:14,712 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:14,713 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:38:14,713 INFO L791 eck$LassoCheckResult]: Stem: 7768#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 7743#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 7693#L356 assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret11#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads } true; 7694#L206 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 7649#L206-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 7650#L211-1 assume { :end_inline_init_threads } true; 7744#L323-2 assume !false; 7823#L324 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret7#1, eval_#t~nondet8#1, eval_#t~nondet9#1, eval_~tmp~1#1, eval_~tmp___0~1#1, eval_~tmp___1~0#1;havoc eval_~tmp~1#1;havoc eval_~tmp___0~1#1;havoc eval_~tmp___1~0#1; 7822#L272 assume !false; 7821#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 7820#L224 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 7819#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 7818#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 7817#L252 assume 0 != eval_~tmp___1~0#1; 7816#L252-1 assume 0 == ~p_dw_st~0;eval_~tmp~1#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1; 7815#L261 assume 0 != eval_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1; 7812#L106 assume 0 == ~p_dw_pc~0; 7811#L117-1 assume !false; 7810#L118 assume !(0 == ~q_free~0); 7769#L119 ~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;assume { :begin_inline_immediate_notify_threads } true;havoc immediate_notify_threads_#t~ret4#1, immediate_notify_threads_#t~ret5#1, immediate_notify_threads_~tmp~0#1, immediate_notify_threads_~tmp___0~0#1;havoc immediate_notify_threads_~tmp~0#1;havoc immediate_notify_threads_~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; 7770#L42 assume !(1 == ~p_dw_pc~0); 7783#L42-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 7729#L53 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 7651#L54 immediate_notify_threads_#t~ret4#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;immediate_notify_threads_~tmp~0#1 := immediate_notify_threads_#t~ret4#1;havoc immediate_notify_threads_#t~ret4#1; 7652#L84 assume !(0 != immediate_notify_threads_~tmp~0#1); 7765#L84-2 assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; 7922#L61 assume !(1 == ~c_dr_pc~0); 7921#L61-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 7920#L72 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 7919#L73 immediate_notify_threads_#t~ret5#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;immediate_notify_threads_~tmp___0~0#1 := immediate_notify_threads_#t~ret5#1;havoc immediate_notify_threads_#t~ret5#1; 7916#L92 assume !(0 != immediate_notify_threads_~tmp___0~0#1); 7917#L92-2 assume { :end_inline_immediate_notify_threads } true;~q_write_ev~0 := 2; 7907#L117-1 assume !false; 7908#L118 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 7856#L138 assume { :end_inline_do_write_p } true; 7886#L257 [2021-11-23 12:38:14,713 INFO L793 eck$LassoCheckResult]: Loop: 7886#L257 assume 0 == ~c_dr_st~0;eval_~tmp___0~1#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1; 7663#L276 assume !(0 != eval_~tmp___0~1#1); 7664#L272 assume !false; 7926#L248 assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1; 7927#L224 assume !(0 == ~p_dw_st~0); 7909#L228 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 7910#L236 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 7892#L237 eval_#t~ret7#1 := exists_runnable_thread_#res#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret7#1;havoc eval_#t~ret7#1; 7893#L252 assume 0 != eval_~tmp___1~0#1; 7887#L252-1 assume !(0 == ~p_dw_st~0); 7886#L257 [2021-11-23 12:38:14,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:14,714 INFO L85 PathProgramCache]: Analyzing trace with hash -567716911, now seen corresponding path program 1 times [2021-11-23 12:38:14,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:14,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050801523] [2021-11-23 12:38:14,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:14,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,721 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:38:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,731 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:38:14,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:14,732 INFO L85 PathProgramCache]: Analyzing trace with hash -934954508, now seen corresponding path program 2 times [2021-11-23 12:38:14,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:14,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122464845] [2021-11-23 12:38:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:14,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,736 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:38:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:38:14,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:38:14,740 INFO L85 PathProgramCache]: Analyzing trace with hash -420181564, now seen corresponding path program 1 times [2021-11-23 12:38:14,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:38:14,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207845221] [2021-11-23 12:38:14,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:38:14,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:38:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,748 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:38:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:38:14,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:38:14,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2021-11-23 12:38:15,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:38:15 BoogieIcfgContainer [2021-11-23 12:38:15,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 12:38:15,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:38:15,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:38:15,661 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:38:15,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:56" (3/4) ... [2021-11-23 12:38:15,664 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-23 12:38:15,734 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 12:38:15,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:38:15,736 INFO L158 Benchmark]: Toolchain (without parser) took 20587.31ms. Allocated memory was 86.0MB in the beginning and 161.5MB in the end (delta: 75.5MB). Free memory was 49.1MB in the beginning and 51.6MB in the end (delta: -2.5MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2021-11-23 12:38:15,736 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:38:15,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.34ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 48.8MB in the beginning and 82.0MB in the end (delta: -33.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 12:38:15,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.89ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 80.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:38:15,738 INFO L158 Benchmark]: Boogie Preprocessor took 63.60ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:38:15,739 INFO L158 Benchmark]: RCFGBuilder took 474.67ms. Allocated memory is still 107.0MB. Free memory was 78.5MB in the beginning and 64.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 12:38:15,739 INFO L158 Benchmark]: BuchiAutomizer took 19348.31ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 64.7MB in the beginning and 54.7MB in the end (delta: 10.0MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2021-11-23 12:38:15,740 INFO L158 Benchmark]: Witness Printer took 74.25ms. Allocated memory is still 161.5MB. Free memory was 54.7MB in the beginning and 51.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 12:38:15,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.34ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 48.8MB in the beginning and 82.0MB in the end (delta: -33.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.89ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 80.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.60ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.67ms. Allocated memory is still 107.0MB. Free memory was 78.5MB in the beginning and 64.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19348.31ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 64.7MB in the beginning and 54.7MB in the end (delta: 10.0MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Witness Printer took 74.25ms. Allocated memory is still 161.5MB. Free memory was 54.7MB in the beginning and 51.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (13 trivial, 2 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function q_free and consists of 6 locations. One deterministic module has affine ranking function -2 * c_dr_pc + 1 and consists of 4 locations. 13 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 298 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.2s and 15 iterations. TraceHistogramMax:2. Analysis of lassos took 16.5s. Construction of modules took 0.4s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 8. Minimization of nondet autom 7. Automata minimization 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 1096 StatesRemovedByMinimization, 11 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 441 states and ocurred in iteration 9. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2252 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2251 mSDsluCounter, 4481 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2466 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 346 IncrementalHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 2015 mSDtfsCounter, 346 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI7 SFLT0 conc0 concLT1 SILN1 SILU0 SILI4 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital93 mio100 ax100 hnf100 lsp18 ukn92 mio100 lsp100 div100 bol100 ite100 ukn100 eq213 hnf86 smp100 dnf111 smp100 tf105 neg95 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 121ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 272]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {p_last_write=5, c_dr_i=1, c_dr_pc=0, a_t=0, NULL=0, \result=0, NULL=1, __retres1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@595b67ef=0, c_num_read=0, c_dr_st=0, q_read_ev=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@255c8256=0, p_dw_i=1, tmp=0, q_write_ev=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ed5b1c0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75418376=0, tmp___1=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@741ca9bb=0, p_dw_pc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@740110e2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c48f2ce=0, __retres1=1, q_free=0, tmp=4, \result=0, p_dw_st=2, __retres1=0, tmp=0, tmp___0=0, c_last_read=0, NULL=0, \result=0, kernel_st=1, p_num_write=1, q_buf_0=5, __retres1=0, tmp___0=0, \result=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 247]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L24] int q_buf_0 ; [L25] int q_free ; [L26] int q_read_ev ; [L27] int q_write_ev ; [L28] int p_num_write ; [L29] int p_last_write ; [L30] int p_dw_st ; [L31] int p_dw_pc ; [L32] int p_dw_i ; [L33] int c_num_read ; [L34] int c_last_read ; [L35] int c_dr_st ; [L36] int c_dr_pc ; [L37] int c_dr_i ; [L144] static int a_t ; [L360] int __retres1 ; [L364] CALL init_model() [L346] q_free = 1 [L347] q_write_ev = 2 [L348] q_read_ev = q_write_ev [L349] p_num_write = 0 [L350] p_dw_pc = 0 [L351] p_dw_i = 1 [L352] c_num_read = 0 [L353] c_dr_pc = 0 [L354] c_dr_i = 1 [L364] RET init_model() [L365] CALL start_simulation() [L314] int kernel_st ; [L315] int tmp ; [L319] kernel_st = 0 [L320] CALL init_threads() [L206] COND TRUE (int )p_dw_i == 1 [L207] p_dw_st = 0 [L211] COND TRUE (int )c_dr_i == 1 [L212] c_dr_st = 0 [L320] RET init_threads() [L323] COND TRUE 1 [L326] kernel_st = 1 [L327] CALL eval() [L241] int tmp ; [L242] int tmp___0 ; [L243] int tmp___1 ; [L247] COND TRUE 1 [L250] CALL, EXPR exists_runnable_thread() [L221] int __retres1 ; [L224] COND TRUE (int )p_dw_st == 0 [L225] __retres1 = 1 [L237] return (__retres1); [L250] RET, EXPR exists_runnable_thread() [L250] tmp___1 = exists_runnable_thread() [L252] COND TRUE \read(tmp___1) [L257] COND TRUE (int )p_dw_st == 0 [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) [L263] p_dw_st = 1 [L264] CALL do_write_p() [L106] COND TRUE (int )p_dw_pc == 0 [L117] COND TRUE 1 [L119] COND FALSE !((int )q_free == 0) [L129] q_buf_0 = __VERIFIER_nondet_int() [L130] p_last_write = q_buf_0 [L131] p_num_write += 1 [L132] q_free = 0 [L133] q_write_ev = 1 [L134] CALL immediate_notify_threads() [L77] int tmp ; [L78] int tmp___0 ; [L82] CALL, EXPR is_do_write_p_triggered() [L39] int __retres1 ; [L42] COND FALSE !((int )p_dw_pc == 1) [L52] __retres1 = 0 [L54] return (__retres1); [L82] RET, EXPR is_do_write_p_triggered() [L82] tmp = is_do_write_p_triggered() [L84] COND FALSE !(\read(tmp)) [L90] CALL, EXPR is_do_read_c_triggered() [L58] int __retres1 ; [L61] COND FALSE !((int )c_dr_pc == 1) [L71] __retres1 = 0 [L73] return (__retres1); [L90] RET, EXPR is_do_read_c_triggered() [L90] tmp___0 = is_do_read_c_triggered() [L92] COND FALSE !(\read(tmp___0)) [L134] RET immediate_notify_threads() [L135] q_write_ev = 2 [L117] COND TRUE 1 [L119] COND TRUE (int )q_free == 0 [L120] p_dw_st = 2 [L121] p_dw_pc = 1 [L264] RET do_write_p() Loop: [L272] COND TRUE (int )c_dr_st == 0 [L274] tmp___0 = __VERIFIER_nondet_int() [L276] COND FALSE !(\read(tmp___0)) [L247] COND TRUE 1 [L250] CALL, EXPR exists_runnable_thread() [L221] int __retres1 ; [L224] COND FALSE !((int )p_dw_st == 0) [L228] COND TRUE (int )c_dr_st == 0 [L229] __retres1 = 1 [L237] return (__retres1); [L250] RET, EXPR exists_runnable_thread() [L250] tmp___1 = exists_runnable_thread() [L252] COND TRUE \read(tmp___1) [L257] COND FALSE !((int )p_dw_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 12:38:15,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5560059c-4d93-4911-bac0-38c3b968f510/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)