./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU --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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:30:29,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:30:29,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:30:29,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:30:29,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:30:29,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:30:29,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:30:29,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:30:29,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:30:29,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:30:29,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:30:29,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:30:29,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:30:29,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:30:29,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:30:29,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:30:29,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:30:29,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:30:29,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:30:29,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:30:29,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:30:29,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:30:29,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:30:29,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:30:29,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:30:29,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:30:29,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:30:29,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:30:29,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:30:29,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:30:29,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:30:29,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:30:29,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:30:29,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:30:29,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:30:29,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:30:29,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:30:29,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:30:29,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:30:29,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:30:29,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:30:29,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:30:29,774 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:30:29,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:30:29,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:30:29,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:30:29,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:30:29,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:30:29,777 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:30:29,777 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:30:29,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:30:29,778 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:30:29,778 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:30:29,779 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:30:29,779 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:30:29,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:30:29,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:30:29,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:30:29,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:30:29,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:30:29,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:30:29,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:30:29,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:30:29,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:30:29,782 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:30:29,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:30:29,782 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:30:29,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:30:29,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:30:29,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:30:29,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:30:29,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:30:29,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:30:29,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:30:29,785 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:30:29,785 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_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2021-11-02 22:30:30,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:30:30,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:30:30,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:30:30,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:30:30,193 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:30:30,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-11-02 22:30:30,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/data/70c9622cd/4c43561b68814a02aa22cf9802e8424d/FLAG683b1b745 [2021-11-02 22:30:31,018 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:30:31,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-11-02 22:30:31,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/data/70c9622cd/4c43561b68814a02aa22cf9802e8424d/FLAG683b1b745 [2021-11-02 22:30:31,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/data/70c9622cd/4c43561b68814a02aa22cf9802e8424d [2021-11-02 22:30:31,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:30:31,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:30:31,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:30:31,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:30:31,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:30:31,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:31,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205ed3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31, skipping insertion in model container [2021-11-02 22:30:31,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:31,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:30:31,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:30:31,748 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-11-02 22:30:31,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:30:31,769 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:30:31,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-11-02 22:30:31,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:30:31,905 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:30:31,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31 WrapperNode [2021-11-02 22:30:31,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:30:31,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:30:31,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:30:31,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:30:31,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:31,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:31,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:30:31,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:30:31,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:30:31,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:30:32,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:30:32,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:30:32,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:30:32,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:30:32,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (1/1) ... [2021-11-02 22:30:32,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:32,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:32,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:32,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:30:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:30:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:30:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:30:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:30:33,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:30:33,061 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-11-02 22:30:33,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:33 BoogieIcfgContainer [2021-11-02 22:30:33,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:30:33,078 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:30:33,078 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:30:33,082 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:30:33,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:30:33,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:30:31" (1/3) ... [2021-11-02 22:30:33,085 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4259e4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:30:33, skipping insertion in model container [2021-11-02 22:30:33,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:30:33,086 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:31" (2/3) ... [2021-11-02 22:30:33,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4259e4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:30:33, skipping insertion in model container [2021-11-02 22:30:33,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:30:33,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:33" (3/3) ... [2021-11-02 22:30:33,089 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-11-02 22:30:33,181 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:30:33,185 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:30:33,185 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:30:33,185 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:30:33,185 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:30:33,186 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:30:33,186 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:30:33,186 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:30:33,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.7383177570093458) internal successors, (186), 107 states have internal predecessors, (186), 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) [2021-11-02 22:30:33,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-11-02 22:30:33,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:30:33,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:30:33,269 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:33,269 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] [2021-11-02 22:30:33,269 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:30:33,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.7383177570093458) internal successors, (186), 107 states have internal predecessors, (186), 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) [2021-11-02 22:30:33,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-11-02 22:30:33,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:30:33,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:30:33,290 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:33,290 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] [2021-11-02 22:30:33,323 INFO L791 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 27#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 58#L230true assume !(0 == ~r1~0 % 256);init_~tmp~0 := 0; 103#L230-1true init_#res := init_~tmp~0; 67#L391true main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 32#L24true assume !(0 == assume_abort_if_not_~cond); 11#L23true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 65#L496true [2021-11-02 22:30:33,353 INFO L793 eck$LassoCheckResult]: Loop: 65#L496true assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 9#L80true assume !(0 != ~mode1~0 % 256); 90#L94true assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 78#L94-2true ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 14#L80-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 88#L106true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 83#L109true assume !(node2_~m2~0 != ~nomsg~0); 93#L109-1true ~mode2~0 := 0; 34#L106-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 28#L131true assume !(0 != ~mode3~0 % 256); 6#L144true assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 57#L144-2true ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 73#L131-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 101#L156true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 59#L159true assume !(node4_~m4~0 != ~nomsg~0); 79#L159-1true ~mode4~0 := 0; 26#L156-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 72#L181true assume !(0 != ~mode5~0 % 256); 74#L194true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 100#L194-2true ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 30#L181-2true havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 23#L206true assume !(0 != ~mode6~0 % 256); 104#L219true assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 108#L219-2true ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 54#L206-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 51#L399true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 96#L399-1true check_#res := check_~tmp~1; 4#L419true main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 31#L501true assume !(0 == assert_~arg % 256); 65#L496true [2021-11-02 22:30:33,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:33,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2030119858, now seen corresponding path program 1 times [2021-11-02 22:30:33,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:33,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723139459] [2021-11-02 22:30:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:33,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:33,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:33,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723139459] [2021-11-02 22:30:33,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723139459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:33,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:33,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:30:33,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052319199] [2021-11-02 22:30:33,766 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:30:33,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:33,776 INFO L85 PathProgramCache]: Analyzing trace with hash -339122049, now seen corresponding path program 1 times [2021-11-02 22:30:33,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:33,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189504759] [2021-11-02 22:30:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:33,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:34,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:34,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189504759] [2021-11-02 22:30:34,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189504759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:34,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:34,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:30:34,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553149382] [2021-11-02 22:30:34,022 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:30:34,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:30:34,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:30:34,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:30:34,056 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.7383177570093458) internal successors, (186), 107 states have internal predecessors, (186), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-11-02 22:30:34,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:30:34,250 INFO L93 Difference]: Finished difference Result 107 states and 181 transitions. [2021-11-02 22:30:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:30:34,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 181 transitions. [2021-11-02 22:30:34,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-11-02 22:30:34,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 103 states and 138 transitions. [2021-11-02 22:30:34,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2021-11-02 22:30:34,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2021-11-02 22:30:34,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 138 transitions. [2021-11-02 22:30:34,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:30:34,274 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 138 transitions. [2021-11-02 22:30:34,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 138 transitions. [2021-11-02 22:30:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-02 22:30:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 102 states have internal predecessors, (138), 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) [2021-11-02 22:30:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 138 transitions. [2021-11-02 22:30:34,315 INFO L704 BuchiCegarLoop]: Abstraction has 103 states and 138 transitions. [2021-11-02 22:30:34,315 INFO L587 BuchiCegarLoop]: Abstraction has 103 states and 138 transitions. [2021-11-02 22:30:34,316 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:30:34,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 138 transitions. [2021-11-02 22:30:34,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-11-02 22:30:34,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:30:34,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:30:34,322 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:34,322 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] [2021-11-02 22:30:34,323 INFO L791 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 275#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 276#L230 assume 0 == ~r1~0 % 256; 316#L231 assume ~id1~0 >= 0; 320#L232 assume 0 == ~st1~0; 305#L233 assume ~send1~0 == ~id1~0; 306#L234 assume 0 == ~mode1~0 % 256; 315#L235 assume ~id2~0 >= 0; 298#L236 assume 0 == ~st2~0; 299#L237 assume ~send2~0 == ~id2~0; 261#L238 assume 0 == ~mode2~0 % 256; 262#L239 assume ~id3~0 >= 0; 259#L240 assume 0 == ~st3~0; 260#L241 assume ~send3~0 == ~id3~0; 264#L242 assume 0 == ~mode3~0 % 256; 319#L243 assume ~id4~0 >= 0; 239#L244 assume 0 == ~st4~0; 240#L245 assume ~send4~0 == ~id4~0; 263#L246 assume 0 == ~mode4~0 % 256; 304#L247 assume ~id5~0 >= 0; 330#L248 assume 0 == ~st5~0; 235#L249 assume ~send5~0 == ~id5~0; 236#L250 assume 0 == ~mode5~0 % 256; 321#L251 assume ~id6~0 >= 0; 285#L252 assume 0 == ~st6~0; 286#L253 assume ~send6~0 == ~id6~0; 293#L254 assume 0 == ~mode6~0 % 256; 253#L255 assume ~id1~0 != ~id2~0; 254#L256 assume ~id1~0 != ~id3~0; 287#L257 assume ~id1~0 != ~id4~0; 265#L258 assume ~id1~0 != ~id5~0; 266#L259 assume ~id1~0 != ~id6~0; 307#L260 assume ~id2~0 != ~id3~0; 308#L261 assume ~id2~0 != ~id4~0; 294#L262 assume ~id2~0 != ~id5~0; 295#L263 assume ~id2~0 != ~id6~0; 300#L264 assume ~id3~0 != ~id4~0; 301#L265 assume ~id3~0 != ~id5~0; 247#L266 assume ~id3~0 != ~id6~0; 248#L267 assume ~id4~0 != ~id5~0; 257#L268 assume ~id4~0 != ~id6~0; 258#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 302#L230-1 init_#res := init_~tmp~0; 324#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 282#L24 assume !(0 == assume_abort_if_not_~cond); 249#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 250#L496 [2021-11-02 22:30:34,323 INFO L793 eck$LassoCheckResult]: Loop: 250#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 244#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 245#L84 assume !(node1_~m1~0 != ~nomsg~0); 272#L84-1 ~mode1~0 := 0; 255#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 256#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 332#L109 assume !(node2_~m2~0 != ~nomsg~0); 313#L109-1 ~mode2~0 := 0; 280#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 277#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 278#L134 assume !(node3_~m3~0 != ~nomsg~0); 283#L134-1 ~mode3~0 := 0; 284#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 326#L156 assume !(0 != ~mode4~0 % 256); 296#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 297#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 273#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 274#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 322#L184 assume !(node5_~m5~0 != ~nomsg~0); 252#L184-1 ~mode5~0 := 0; 281#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 267#L206 assume !(0 != ~mode6~0 % 256); 268#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 335#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 314#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 309#L399 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 291#L399-1 check_#res := check_~tmp~1; 233#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 234#L501 assume !(0 == assert_~arg % 256); 250#L496 [2021-11-02 22:30:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:34,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 1 times [2021-11-02 22:30:34,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:34,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284646095] [2021-11-02 22:30:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:34,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:34,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:30:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:34,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:30:34,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:34,554 INFO L85 PathProgramCache]: Analyzing trace with hash 671317609, now seen corresponding path program 1 times [2021-11-02 22:30:34,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:34,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854805778] [2021-11-02 22:30:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:34,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:34,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:34,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854805778] [2021-11-02 22:30:34,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854805778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:34,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:34,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:30:34,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569952436] [2021-11-02 22:30:34,735 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:30:34,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:30:34,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:30:34,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:30:34,738 INFO L87 Difference]: Start difference. First operand 103 states and 138 transitions. cyclomatic complexity: 36 Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:34,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:30:34,793 INFO L93 Difference]: Finished difference Result 106 states and 140 transitions. [2021-11-02 22:30:34,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:30:34,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 140 transitions. [2021-11-02 22:30:34,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-11-02 22:30:34,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 103 states and 135 transitions. [2021-11-02 22:30:34,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2021-11-02 22:30:34,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2021-11-02 22:30:34,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 135 transitions. [2021-11-02 22:30:34,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:30:34,801 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 135 transitions. [2021-11-02 22:30:34,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 135 transitions. [2021-11-02 22:30:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-02 22:30:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 102 states have internal predecessors, (135), 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) [2021-11-02 22:30:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions. [2021-11-02 22:30:34,810 INFO L704 BuchiCegarLoop]: Abstraction has 103 states and 135 transitions. [2021-11-02 22:30:34,810 INFO L587 BuchiCegarLoop]: Abstraction has 103 states and 135 transitions. [2021-11-02 22:30:34,810 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:30:34,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 135 transitions. [2021-11-02 22:30:34,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-11-02 22:30:34,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:30:34,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:30:34,815 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:34,815 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, 1] [2021-11-02 22:30:34,815 INFO L791 eck$LassoCheckResult]: Stem: 555#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 496#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 497#L230 assume 0 == ~r1~0 % 256; 536#L231 assume ~id1~0 >= 0; 540#L232 assume 0 == ~st1~0; 525#L233 assume ~send1~0 == ~id1~0; 526#L234 assume 0 == ~mode1~0 % 256; 535#L235 assume ~id2~0 >= 0; 518#L236 assume 0 == ~st2~0; 519#L237 assume ~send2~0 == ~id2~0; 482#L238 assume 0 == ~mode2~0 % 256; 483#L239 assume ~id3~0 >= 0; 480#L240 assume 0 == ~st3~0; 481#L241 assume ~send3~0 == ~id3~0; 485#L242 assume 0 == ~mode3~0 % 256; 539#L243 assume ~id4~0 >= 0; 460#L244 assume 0 == ~st4~0; 461#L245 assume ~send4~0 == ~id4~0; 484#L246 assume 0 == ~mode4~0 % 256; 524#L247 assume ~id5~0 >= 0; 550#L248 assume 0 == ~st5~0; 456#L249 assume ~send5~0 == ~id5~0; 457#L250 assume 0 == ~mode5~0 % 256; 541#L251 assume ~id6~0 >= 0; 506#L252 assume 0 == ~st6~0; 507#L253 assume ~send6~0 == ~id6~0; 513#L254 assume 0 == ~mode6~0 % 256; 474#L255 assume ~id1~0 != ~id2~0; 475#L256 assume ~id1~0 != ~id3~0; 508#L257 assume ~id1~0 != ~id4~0; 486#L258 assume ~id1~0 != ~id5~0; 487#L259 assume ~id1~0 != ~id6~0; 527#L260 assume ~id2~0 != ~id3~0; 528#L261 assume ~id2~0 != ~id4~0; 514#L262 assume ~id2~0 != ~id5~0; 515#L263 assume ~id2~0 != ~id6~0; 520#L264 assume ~id3~0 != ~id4~0; 521#L265 assume ~id3~0 != ~id5~0; 468#L266 assume ~id3~0 != ~id6~0; 469#L267 assume ~id4~0 != ~id5~0; 478#L268 assume ~id4~0 != ~id6~0; 479#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 522#L230-1 init_#res := init_~tmp~0; 544#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 503#L24 assume !(0 == assume_abort_if_not_~cond); 470#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 471#L496 [2021-11-02 22:30:34,816 INFO L793 eck$LassoCheckResult]: Loop: 471#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 465#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 466#L84 assume !(node1_~m1~0 != ~nomsg~0); 493#L84-1 ~mode1~0 := 0; 476#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 477#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 553#L109 assume !(node2_~m2~0 != ~nomsg~0); 533#L109-1 ~mode2~0 := 0; 501#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 498#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 499#L134 assume !(node3_~m3~0 != ~nomsg~0); 504#L134-1 ~mode3~0 := 0; 505#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 546#L156 assume !(0 != ~mode4~0 % 256); 516#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 517#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 494#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 495#L181 assume !(0 != ~mode5~0 % 256); 545#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 547#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 502#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 488#L206 assume !(0 != ~mode6~0 % 256); 489#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 556#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 534#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 529#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 530#L400 assume ~r1~0 % 256 >= 6; 512#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 552#L399-1 check_#res := check_~tmp~1; 454#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 455#L501 assume !(0 == assert_~arg % 256); 471#L496 [2021-11-02 22:30:34,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:34,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 2 times [2021-11-02 22:30:34,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:34,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936710149] [2021-11-02 22:30:34,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:34,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:34,851 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:30:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:34,907 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:30:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:34,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2034388003, now seen corresponding path program 1 times [2021-11-02 22:30:34,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:34,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677552734] [2021-11-02 22:30:34,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:34,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:34,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:34,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677552734] [2021-11-02 22:30:34,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677552734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:34,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:34,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:30:34,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97522551] [2021-11-02 22:30:34,993 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:30:34,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:30:34,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:30:34,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:30:34,995 INFO L87 Difference]: Start difference. First operand 103 states and 135 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:35,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:30:35,051 INFO L93 Difference]: Finished difference Result 154 states and 213 transitions. [2021-11-02 22:30:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:30:35,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 213 transitions. [2021-11-02 22:30:35,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 108 [2021-11-02 22:30:35,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 213 transitions. [2021-11-02 22:30:35,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2021-11-02 22:30:35,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2021-11-02 22:30:35,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 213 transitions. [2021-11-02 22:30:35,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:30:35,073 INFO L681 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2021-11-02 22:30:35,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 213 transitions. [2021-11-02 22:30:35,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-11-02 22:30:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.3831168831168832) internal successors, (213), 153 states have internal predecessors, (213), 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) [2021-11-02 22:30:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 213 transitions. [2021-11-02 22:30:35,089 INFO L704 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2021-11-02 22:30:35,089 INFO L587 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2021-11-02 22:30:35,089 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 22:30:35,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 213 transitions. [2021-11-02 22:30:35,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 108 [2021-11-02 22:30:35,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:30:35,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:30:35,103 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:35,103 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, 1, 1] [2021-11-02 22:30:35,103 INFO L791 eck$LassoCheckResult]: Stem: 819#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 759#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 760#L230 assume 0 == ~r1~0 % 256; 799#L231 assume ~id1~0 >= 0; 804#L232 assume 0 == ~st1~0; 788#L233 assume ~send1~0 == ~id1~0; 789#L234 assume 0 == ~mode1~0 % 256; 798#L235 assume ~id2~0 >= 0; 781#L236 assume 0 == ~st2~0; 782#L237 assume ~send2~0 == ~id2~0; 745#L238 assume 0 == ~mode2~0 % 256; 746#L239 assume ~id3~0 >= 0; 743#L240 assume 0 == ~st3~0; 744#L241 assume ~send3~0 == ~id3~0; 748#L242 assume 0 == ~mode3~0 % 256; 803#L243 assume ~id4~0 >= 0; 723#L244 assume 0 == ~st4~0; 724#L245 assume ~send4~0 == ~id4~0; 747#L246 assume 0 == ~mode4~0 % 256; 787#L247 assume ~id5~0 >= 0; 814#L248 assume 0 == ~st5~0; 719#L249 assume ~send5~0 == ~id5~0; 720#L250 assume 0 == ~mode5~0 % 256; 805#L251 assume ~id6~0 >= 0; 769#L252 assume 0 == ~st6~0; 770#L253 assume ~send6~0 == ~id6~0; 776#L254 assume 0 == ~mode6~0 % 256; 737#L255 assume ~id1~0 != ~id2~0; 738#L256 assume ~id1~0 != ~id3~0; 771#L257 assume ~id1~0 != ~id4~0; 749#L258 assume ~id1~0 != ~id5~0; 750#L259 assume ~id1~0 != ~id6~0; 790#L260 assume ~id2~0 != ~id3~0; 791#L261 assume ~id2~0 != ~id4~0; 777#L262 assume ~id2~0 != ~id5~0; 778#L263 assume ~id2~0 != ~id6~0; 783#L264 assume ~id3~0 != ~id4~0; 784#L265 assume ~id3~0 != ~id5~0; 731#L266 assume ~id3~0 != ~id6~0; 732#L267 assume ~id4~0 != ~id5~0; 741#L268 assume ~id4~0 != ~id6~0; 742#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 785#L230-1 init_#res := init_~tmp~0; 808#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 766#L24 assume !(0 == assume_abort_if_not_~cond); 733#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 734#L496 [2021-11-02 22:30:35,104 INFO L793 eck$LassoCheckResult]: Loop: 734#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 728#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 729#L84 assume !(node1_~m1~0 != ~nomsg~0); 756#L84-1 ~mode1~0 := 0; 739#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 740#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 817#L109 assume !(node2_~m2~0 != ~nomsg~0); 796#L109-1 ~mode2~0 := 0; 764#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 761#L131 assume !(0 != ~mode3~0 % 256); 721#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 722#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 768#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 810#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 800#L159 assume !(node4_~m4~0 != ~nomsg~0); 773#L159-1 ~mode4~0 := 0; 757#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 758#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 806#L184 assume !(node5_~m5~0 != ~nomsg~0); 736#L184-1 ~mode5~0 := 0; 765#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 751#L206 assume !(0 != ~mode6~0 % 256); 752#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 821#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 822#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 824#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 823#L400 assume !(~r1~0 % 256 >= 6); 774#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 775#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 820#L399-1 check_#res := check_~tmp~1; 717#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 718#L501 assume !(0 == assert_~arg % 256); 734#L496 [2021-11-02 22:30:35,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:35,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 3 times [2021-11-02 22:30:35,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:35,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20228819] [2021-11-02 22:30:35,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:35,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:35,167 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:30:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:35,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:30:35,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:35,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1056653945, now seen corresponding path program 1 times [2021-11-02 22:30:35,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:35,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116268816] [2021-11-02 22:30:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:35,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:35,297 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:30:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:35,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:30:35,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:35,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2077813591, now seen corresponding path program 1 times [2021-11-02 22:30:35,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:35,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22426430] [2021-11-02 22:30:35,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:35,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:35,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:35,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22426430] [2021-11-02 22:30:35,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22426430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:35,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:35,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:30:35,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892503952] [2021-11-02 22:30:37,405 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:30:37,405 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:30:37,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:30:37,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:30:37,407 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:30:37,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:37,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:30:37,408 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:30:37,415 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-11-02 22:30:37,416 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:30:37,416 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:30:37,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:37,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:38,413 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-02 22:30:46,720 WARN L207 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 182 DAG size of output: 134 [2021-11-02 22:30:46,866 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:30:46,867 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:30:46,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:46,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:46,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:46,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:30:46,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:30:46,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:30:46,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:46,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:46,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:46,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:46,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:30:46,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:30:46,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:30:47,227 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:30:47,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:47,231 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:30:47,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:30:47,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:30:47,231 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:30:47,231 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:30:47,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:47,231 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:30:47,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:30:47,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-11-02 22:30:47,232 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:30:47,232 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:30:47,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:30:47,997 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-02 22:30:54,953 WARN L207 SmtUtils]: Spent 6.90 s on a formula simplification. DAG size of input: 182 DAG size of output: 134 [2021-11-02 22:30:55,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:30:55,071 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:30:55,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:30:55,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:55,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:55,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:55,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:55,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:55,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:30:55,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:55,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:55,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:55,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:55,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:55,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,206 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:30:55,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:55,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:55,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:55,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:55,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:55,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:30:55,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:55,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:55,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:55,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:55,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:55,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:30:55,326 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 [2021-11-02 22:30:55,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,335 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:30:55,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,502 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-02 22:30:55,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:55,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:55,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:55,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:55,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:55,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:30:55,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:55,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:55,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,851 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:55,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:55,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:55,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:30:55,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:55,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:55,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:55,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:55,924 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:55,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:55,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:55,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:55,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:55,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:55,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:55,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:55,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:55,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:30:55,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,002 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:30:56,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,078 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,085 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 [2021-11-02 22:30:56,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:30:56,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,156 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:30:56,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,233 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:30:56,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,313 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:30:56,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,402 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,414 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 [2021-11-02 22:30:56,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:30:56,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,488 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:30:56,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,570 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 22:30:56,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,652 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 22:30:56,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,739 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:30:56,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:30:56,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 22:30:56,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,819 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-02 22:30:56,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,822 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,835 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:56,837 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:56,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 22:30:56,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,899 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:56,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,914 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:56,914 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:56,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:56,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-02 22:30:56,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:56,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:56,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:56,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:56,967 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:56,970 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 [2021-11-02 22:30:56,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:56,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:56,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:56,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:56,981 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:56,983 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:56,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:57,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-02 22:30:57,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:57,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:57,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:57,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:57,115 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:57,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:57,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-02 22:30:57,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:57,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:57,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:57,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:57,144 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:57,146 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:57,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:57,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:57,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:57,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:57,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:57,199 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:57,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:57,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:57,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:57,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:57,215 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:30:57,216 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:57,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-02 22:30:57,462 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-02 22:30:57,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:57,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:57,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:57,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:57,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:57,830 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:57,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:57,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:57,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:57,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:57,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:57,843 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:57,845 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:57,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:57,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-02 22:30:57,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:57,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:57,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:57,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:57,899 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:57,901 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 [2021-11-02 22:30:57,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:57,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:57,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:57,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:57,912 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:57,913 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:57,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-02 22:30:57,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:57,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:57,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:57,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:57,977 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:57,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:57,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:57,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:57,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:57,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:57,994 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:57,997 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:57,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-02 22:30:58,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,055 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-02 22:30:58,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,071 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,071 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,134 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,151 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,152 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-02 22:30:58,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,219 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,234 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,236 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-02 22:30:58,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,295 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,311 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,311 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-02 22:30:58,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,372 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,387 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,389 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-02 22:30:58,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,451 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,465 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,467 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-02 22:30:58,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,526 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,529 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 [2021-11-02 22:30:58,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,542 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,543 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-02 22:30:58,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,605 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,619 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,619 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-02 22:30:58,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,670 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,687 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,687 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-02 22:30:58,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,738 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-02 22:30:58,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,756 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:30:58,757 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:30:58,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,813 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-02 22:30:58,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,814 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,838 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:30:58,840 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:30:58,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-02 22:30:58,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,910 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:58,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,925 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:30:58,926 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:30:58,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-02 22:30:58,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:58,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:58,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:58,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:58,978 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:58,981 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 [2021-11-02 22:30:58,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:58,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:58,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:58,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:58,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:30:58,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:30:58,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:58,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-02 22:30:59,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:59,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:59,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:59,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:59,055 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:59,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:59,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-02 22:30:59,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:59,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:59,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:59,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:59,071 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:30:59,071 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:30:59,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:59,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:59,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:59,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:59,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:59,126 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:59,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:30:59,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:59,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:59,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:59,145 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:30:59,146 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:30:59,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-02 22:30:59,459 INFO L401 nArgumentSynthesizer]: We have 64 Motzkin's Theorem applications. [2021-11-02 22:30:59,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:59,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:30:59,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:59,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:30:59,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:59,979 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:59,981 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 [2021-11-02 22:30:59,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:30:59,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:30:59,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:30:59,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:30:59,992 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:30:59,994 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:30:59,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:30:59,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-02 22:31:00,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,050 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,066 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,067 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-02 22:31:00,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,118 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,131 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,135 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-02 22:31:00,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,189 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,204 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,205 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-02 22:31:00,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,257 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,272 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-02 22:31:00,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,324 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,326 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 [2021-11-02 22:31:00,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,337 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,341 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-02 22:31:00,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,396 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-02 22:31:00,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,409 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,410 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,446 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-02 22:31:00,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,461 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,463 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-02 22:31:00,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,491 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-02 22:31:00,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,502 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,504 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-02 22:31:00,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,533 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-02 22:31:00,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,543 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,544 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,571 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-02 22:31:00,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,591 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,592 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-02 22:31:00,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,622 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-02 22:31:00,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,633 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,634 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,668 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-02 22:31:00,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,686 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:00,687 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:00,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-02 22:31:00,736 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-02 22:31:00,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,737 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,750 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 [2021-11-02 22:31:00,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,762 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:00,765 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:00,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-02 22:31:00,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:00,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,820 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,838 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:00,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-02 22:31:00,839 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:00,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-02 22:31:00,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,881 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-02 22:31:00,882 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 [2021-11-02 22:31:00,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,893 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:00,895 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:00,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-02 22:31:00,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,926 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-02 22:31:00,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:00,939 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:00,940 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:00,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:00,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:00,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-02 22:31:00,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:00,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:00,966 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:00,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-02 22:31:00,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:00,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:00,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:00,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:00,983 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:31:00,983 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:01,326 INFO L401 nArgumentSynthesizer]: We have 80 Motzkin's Theorem applications. [2021-11-02 22:31:01,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:01,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:01,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:01,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:01,935 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:01,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-02 22:31:01,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:01,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:01,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:01,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:01,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:01,947 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:01,950 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:01,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:01,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:01,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:01,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:01,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:01,979 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:01,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-02 22:31:01,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:01,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:01,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:01,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:01,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:01,992 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:01,993 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:01,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:01,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:02,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,019 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-02 22:31:02,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,037 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,040 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-02 22:31:02,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,070 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-02 22:31:02,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,081 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,082 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-02 22:31:02,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,111 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-02 22:31:02,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,123 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,125 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-02 22:31:02,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,152 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-02 22:31:02,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,162 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,164 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-02 22:31:02,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,193 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-02 22:31:02,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,203 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,204 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-02 22:31:02,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,228 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-02 22:31:02,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,239 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,241 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-02 22:31:02,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,267 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-02 22:31:02,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,277 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,279 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-02 22:31:02,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,317 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-02 22:31:02,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,327 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,329 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-02 22:31:02,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,355 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-02 22:31:02,357 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 [2021-11-02 22:31:02,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,365 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,366 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:02,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,393 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-02 22:31:02,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,404 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,404 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:02,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,431 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-02 22:31:02,432 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 [2021-11-02 22:31:02,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:31:02,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,442 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:02,443 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:02,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:02,508 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-02 22:31:02,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,509 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-02 22:31:02,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,534 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:02,534 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:02,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,534 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:02,536 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:02,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:02,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,569 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-02 22:31:02,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,580 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:02,580 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:02,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,580 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:02,581 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:02,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-02 22:31:02,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,607 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-02 22:31:02,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:02,617 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:02,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,617 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:02,619 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:02,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-02 22:31:02,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,645 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-02 22:31:02,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,654 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:02,654 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:02,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:02,655 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:02,661 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:02,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:02,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:02,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:02,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:02,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:02,713 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:02,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-02 22:31:02,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:02,724 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:02,724 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:02,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:02,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:02,724 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:31:02,724 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:02,940 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-02 22:31:02,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-02 22:31:03,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,554 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-02 22:31:03,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,565 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,565 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,565 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,570 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:03,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,600 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-02 22:31:03,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,610 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,610 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,611 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,611 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:03,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,638 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-02 22:31:03,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,648 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,648 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,650 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-02 22:31:03,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,680 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-02 22:31:03,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,703 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,703 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,704 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,704 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-02 22:31:03,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,735 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-02 22:31:03,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,746 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,746 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,747 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,748 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-02 22:31:03,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,777 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-02 22:31:03,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,789 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,789 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,789 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,791 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:03,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,827 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-02 22:31:03,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,839 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,839 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,840 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-02 22:31:03,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,868 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-02 22:31:03,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,878 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,880 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:03,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,907 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-02 22:31:03,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,918 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,918 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,921 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:03,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,954 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:03,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-02 22:31:03,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:03,965 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:03,965 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:03,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:03,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:03,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:03,965 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:03,967 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:03,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:03,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:03,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-02 22:31:03,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:03,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:03,999 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-02 22:31:04,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:04,013 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,013 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:04,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:04,013 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:04,014 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:04,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:04,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:04,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-02 22:31:04,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:04,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:04,040 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-02 22:31:04,042 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 [2021-11-02 22:31:04,050 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,050 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:04,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:04,051 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:04,051 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:04,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:04,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:04,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:04,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:04,078 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-02 22:31:04,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:04,089 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,089 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:04,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:04,090 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:31:04,091 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:31:04,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:04,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:04,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:04,120 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-02 22:31:04,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:04,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:04,121 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-02 22:31:04,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:04,132 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,132 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:04,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:04,132 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:04,134 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:04,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:04,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:04,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:04,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:04,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:04,164 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-02 22:31:04,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:04,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,176 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:04,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:04,177 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:04,178 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:04,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:04,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:04,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:04,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:04,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:04,206 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-02 22:31:04,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:04,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,216 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:04,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:04,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:04,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:04,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:04,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:04,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-02 22:31:04,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:04,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:04,251 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-02 22:31:04,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:04,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,261 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:04,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:04,261 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:04,262 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:04,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:04,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:04,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-02 22:31:04,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:04,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:04,295 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:04,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-02 22:31:04,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:04,308 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:04,308 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:04,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:04,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:04,308 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:31:04,308 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:04,601 INFO L401 nArgumentSynthesizer]: We have 64 Motzkin's Theorem applications. [2021-11-02 22:31:04,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,070 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-02 22:31:06,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,080 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,081 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,083 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-02 22:31:06,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,136 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-02 22:31:06,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,146 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,146 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,147 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,174 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-02 22:31:06,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,184 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,184 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,185 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,188 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-02 22:31:06,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,220 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-02 22:31:06,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,229 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,229 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,230 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,230 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,256 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-02 22:31:06,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,267 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,267 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,268 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-02 22:31:06,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,297 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-02 22:31:06,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,324 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,325 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,326 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,356 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-02 22:31:06,357 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 [2021-11-02 22:31:06,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,367 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-02 22:31:06,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,410 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-02 22:31:06,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,423 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,425 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,463 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-02 22:31:06,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,475 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,476 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,478 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,513 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-02 22:31:06,515 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 [2021-11-02 22:31:06,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,524 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,524 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,558 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-02 22:31:06,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,569 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,570 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,570 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,599 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-02 22:31:06,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,610 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,610 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,611 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,611 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,640 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-02 22:31:06,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,652 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,652 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 22:31:06,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,652 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:06,654 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:06,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,715 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-02 22:31:06,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,716 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-02 22:31:06,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,727 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:06,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,727 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:06,730 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:06,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,763 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-02 22:31:06,764 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 [2021-11-02 22:31:06,773 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,774 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:06,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,774 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:06,775 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:06,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:06,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,804 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-02 22:31:06,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,815 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:06,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,815 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:06,817 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:06,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-11-02 22:31:06,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,851 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-02 22:31:06,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,862 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:06,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:06,863 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:06,864 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:06,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:06,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:06,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-11-02 22:31:06,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:06,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:06,928 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:06,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-02 22:31:06,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:06,944 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:06,944 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:06,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:06,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:06,945 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:31:06,945 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:07,363 INFO L401 nArgumentSynthesizer]: We have 80 Motzkin's Theorem applications. [2021-11-02 22:31:07,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,069 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-02 22:31:11,070 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 [2021-11-02 22:31:11,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,080 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,080 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,083 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,113 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-02 22:31:11,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,122 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,123 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,123 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,124 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-11-02 22:31:11,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,158 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-02 22:31:11,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,169 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,169 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,170 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,173 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,207 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-02 22:31:11,208 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 [2021-11-02 22:31:11,217 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,217 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,217 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,218 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,298 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,314 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,314 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,314 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,317 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-02 22:31:11,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,392 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,406 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,407 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,407 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,411 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-02 22:31:11,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-11-02 22:31:11,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,468 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-02 22:31:11,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,478 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,478 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,479 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,480 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,508 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-02 22:31:11,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,518 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,519 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,521 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,554 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-02 22:31:11,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,566 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,567 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,569 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,610 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-11-02 22:31:11,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,644 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,644 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,647 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-11-02 22:31:11,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,684 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-02 22:31:11,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,696 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,696 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,696 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,697 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,735 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,758 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,758 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,760 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-02 22:31:11,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,819 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,839 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,840 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:11,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,840 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 22:31:11,843 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 22:31:11,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-02 22:31:11,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,907 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-02 22:31:11,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,909 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-02 22:31:11,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,919 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,919 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:11,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,920 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:11,922 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:11,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,957 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-02 22:31:11,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:11,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:11,968 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:11,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:11,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:11,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:11,968 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:11,970 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:11,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:11,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:11,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:11,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:11,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:11,998 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:11,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-02 22:31:11,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:12,008 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:12,009 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:12,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:12,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:12,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:12,009 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:12,011 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:12,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:12,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:12,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-11-02 22:31:12,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:12,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:12,041 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:12,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-02 22:31:12,042 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 [2021-11-02 22:31:12,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:12,051 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:12,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:12,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:12,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:12,052 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:12,053 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:12,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:12,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:12,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:12,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:12,083 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:12,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-11-02 22:31:12,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:12,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:12,094 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:12,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:12,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:12,095 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:31:12,095 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:12,389 INFO L401 nArgumentSynthesizer]: We have 64 Motzkin's Theorem applications. [2021-11-02 22:31:12,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:13,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,311 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-11-02 22:31:13,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,322 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,323 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,323 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:13,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,359 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-02 22:31:13,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,368 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,369 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,369 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-11-02 22:31:13,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,395 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-02 22:31:13,396 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 [2021-11-02 22:31:13,405 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,405 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,405 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,408 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-11-02 22:31:13,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,435 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-02 22:31:13,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,444 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,444 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,445 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,445 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-11-02 22:31:13,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,469 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-02 22:31:13,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,479 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,479 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,480 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,481 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:13,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,511 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-02 22:31:13,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,521 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,521 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,523 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:13,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,551 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-02 22:31:13,552 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 [2021-11-02 22:31:13,560 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,560 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,561 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-11-02 22:31:13,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,586 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-11-02 22:31:13,587 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 [2021-11-02 22:31:13,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,596 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,597 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,598 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-11-02 22:31:13,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,629 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-11-02 22:31:13,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,639 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,641 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-11-02 22:31:13,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,667 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-11-02 22:31:13,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,675 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,675 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,676 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,677 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-11-02 22:31:13,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,704 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-02 22:31:13,706 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 [2021-11-02 22:31:13,714 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,714 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,715 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,715 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-11-02 22:31:13,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,740 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-02 22:31:13,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,749 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,749 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,750 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,750 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-11-02 22:31:13,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,775 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-02 22:31:13,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,784 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 22:31:13,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,785 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 22:31:13,786 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:31:13,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-11-02 22:31:13,838 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-02 22:31:13,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,840 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,852 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,852 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:13,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,852 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:13,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:13,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-11-02 22:31:13,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:13,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,907 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,919 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,919 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:13,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,919 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:13,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:13,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-11-02 22:31:13,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:13,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:13,954 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:13,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-11-02 22:31:13,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:13,964 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:13,964 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:13,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:13,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:13,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:13,965 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:13,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:13,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:13,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:13,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-11-02 22:31:13,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:13,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:14,000 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:14,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-11-02 22:31:14,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:14,010 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:14,010 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:14,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:14,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:14,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:14,010 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:14,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:14,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:14,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:14,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-11-02 22:31:14,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:14,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:14,040 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:14,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-11-02 22:31:14,042 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 [2021-11-02 22:31:14,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:14,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:14,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:14,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:14,054 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-11-02 22:31:14,054 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:14,502 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-11-02 22:31:14,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:15,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:15,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-11-02 22:31:15,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:15,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:15,881 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:15,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-11-02 22:31:15,882 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 [2021-11-02 22:31:15,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:15,891 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:15,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:15,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:15,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:15,891 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:15,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:15,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:15,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:15,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-11-02 22:31:15,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:15,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:15,923 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:15,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-11-02 22:31:15,924 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 [2021-11-02 22:31:15,932 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:15,932 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:15,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:15,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:15,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:15,933 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:15,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:15,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:15,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:15,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-11-02 22:31:15,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:15,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:15,958 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:15,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-11-02 22:31:15,959 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 [2021-11-02 22:31:15,967 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:15,967 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:15,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:15,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:15,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:15,968 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:15,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:15,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:15,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-11-02 22:31:16,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,002 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-11-02 22:31:16,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,011 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,011 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,012 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-11-02 22:31:16,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,037 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-11-02 22:31:16,038 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 [2021-11-02 22:31:16,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,047 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,047 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-11-02 22:31:16,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,084 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-11-02 22:31:16,085 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 [2021-11-02 22:31:16,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,093 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,094 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-11-02 22:31:16,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,141 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-11-02 22:31:16,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,150 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,150 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:16,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,175 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-11-02 22:31:16,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,185 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,186 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,186 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-11-02 22:31:16,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,215 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-11-02 22:31:16,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,224 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,224 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,225 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-11-02 22:31:16,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,256 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-11-02 22:31:16,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,266 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,266 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-11-02 22:31:16,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,299 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-11-02 22:31:16,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,310 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,310 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,310 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-11-02 22:31:16,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,338 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-11-02 22:31:16,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,347 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,347 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,348 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-11-02 22:31:16,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:16,373 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:31:16,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-11-02 22:31:16,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:31:16,385 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 22:31:16,385 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 22:31:16,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:31:16,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:31:16,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:31:16,386 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 22:31:16,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:31:16,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:31:16,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:31:16,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ade633-a5e1-48a6-ae83-3a572b0ba7e8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-11-02 22:31:16,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:16,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:16,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:16,412 INFO L87 Difference]: Start difference. First operand 154 states and 213 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-02 22:31:16,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:16,435 INFO L93 Difference]: Finished difference Result 211 states and 297 transitions. [2021-11-02 22:31:16,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:16,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 297 transitions. [2021-11-02 22:31:16,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 165 [2021-11-02 22:31:16,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 297 transitions. [2021-11-02 22:31:16,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2021-11-02 22:31:16,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2021-11-02 22:31:16,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 297 transitions. [2021-11-02 22:31:16,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:16,451 INFO L681 BuchiCegarLoop]: Abstraction has 211 states and 297 transitions. [2021-11-02 22:31:16,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 297 transitions. [2021-11-02 22:31:16,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-11-02 22:31:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 211 states have (on average 1.4075829383886256) internal successors, (297), 210 states have internal predecessors, (297), 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) [2021-11-02 22:31:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 297 transitions. [2021-11-02 22:31:16,467 INFO L704 BuchiCegarLoop]: Abstraction has 211 states and 297 transitions. [2021-11-02 22:31:16,467 INFO L587 BuchiCegarLoop]: Abstraction has 211 states and 297 transitions. [2021-11-02 22:31:16,467 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-02 22:31:16,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 297 transitions. [2021-11-02 22:31:16,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 165 [2021-11-02 22:31:16,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:16,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:16,471 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:16,471 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:16,471 INFO L791 eck$LassoCheckResult]: Stem: 1199#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 1131#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 1132#L230 assume 0 == ~r1~0 % 256; 1176#L231 assume ~id1~0 >= 0; 1178#L232 assume 0 == ~st1~0; 1161#L233 assume ~send1~0 == ~id1~0; 1162#L234 assume 0 == ~mode1~0 % 256; 1171#L235 assume ~id2~0 >= 0; 1154#L236 assume 0 == ~st2~0; 1155#L237 assume ~send2~0 == ~id2~0; 1117#L238 assume 0 == ~mode2~0 % 256; 1118#L239 assume ~id3~0 >= 0; 1115#L240 assume 0 == ~st3~0; 1116#L241 assume ~send3~0 == ~id3~0; 1120#L242 assume 0 == ~mode3~0 % 256; 1177#L243 assume ~id4~0 >= 0; 1096#L244 assume 0 == ~st4~0; 1097#L245 assume ~send4~0 == ~id4~0; 1119#L246 assume 0 == ~mode4~0 % 256; 1160#L247 assume ~id5~0 >= 0; 1191#L248 assume 0 == ~st5~0; 1092#L249 assume ~send5~0 == ~id5~0; 1093#L250 assume 0 == ~mode5~0 % 256; 1179#L251 assume ~id6~0 >= 0; 1142#L252 assume 0 == ~st6~0; 1143#L253 assume ~send6~0 == ~id6~0; 1149#L254 assume 0 == ~mode6~0 % 256; 1109#L255 assume ~id1~0 != ~id2~0; 1110#L256 assume ~id1~0 != ~id3~0; 1144#L257 assume ~id1~0 != ~id4~0; 1121#L258 assume ~id1~0 != ~id5~0; 1122#L259 assume ~id1~0 != ~id6~0; 1163#L260 assume ~id2~0 != ~id3~0; 1164#L261 assume ~id2~0 != ~id4~0; 1150#L262 assume ~id2~0 != ~id5~0; 1151#L263 assume ~id2~0 != ~id6~0; 1156#L264 assume ~id3~0 != ~id4~0; 1157#L265 assume ~id3~0 != ~id5~0; 1103#L266 assume ~id3~0 != ~id6~0; 1104#L267 assume ~id4~0 != ~id5~0; 1113#L268 assume ~id4~0 != ~id6~0; 1114#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 1158#L230-1 init_#res := init_~tmp~0; 1183#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1139#L24 assume !(0 == assume_abort_if_not_~cond); 1105#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 1106#L496 [2021-11-02 22:31:16,472 INFO L793 eck$LassoCheckResult]: Loop: 1106#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1101#L80 assume !(0 != ~mode1~0 % 256); 1102#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 1188#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 1111#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1112#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1192#L109 assume !(node2_~m2~0 != ~nomsg~0); 1170#L109-1 ~mode2~0 := 0; 1136#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1133#L131 assume !(0 != ~mode3~0 % 256); 1094#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 1095#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 1141#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1185#L156 assume !(0 != ~mode4~0 % 256); 1152#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 1153#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 1129#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1130#L181 assume !(0 != ~mode5~0 % 256); 1184#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 1186#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 1137#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 1123#L206 assume !(0 != ~mode6~0 % 256); 1124#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 1201#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 1167#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1165#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1166#L400 assume !(~r1~0 % 256 >= 6); 1203#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 1258#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 1255#L399-1 check_#res := check_~tmp~1; 1252#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1249#L501 assume !(0 == assert_~arg % 256); 1247#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1202#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1198#L84 assume !(node1_~m1~0 != ~nomsg~0); 1128#L84-1 ~mode1~0 := 0; 1200#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1299#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1297#L109 assume !(node2_~m2~0 != ~nomsg~0); 1295#L109-1 ~mode2~0 := 0; 1293#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1292#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1290#L134 assume !(node3_~m3~0 != ~nomsg~0); 1287#L134-1 ~mode3~0 := 0; 1285#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1283#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1282#L159 assume !(node4_~m4~0 != ~nomsg~0); 1279#L159-1 ~mode4~0 := 0; 1277#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1276#L181 assume !(0 != ~mode5~0 % 256); 1272#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 1270#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 1269#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 1268#L206 assume !(0 != ~mode6~0 % 256); 1264#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 1262#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 1261#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1260#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1259#L400 assume !(~r1~0 % 256 >= 6); 1147#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 1148#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 1256#L399-1 check_#res := check_~tmp~1; 1253#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1250#L501 assume !(0 == assert_~arg % 256); 1106#L496 [2021-11-02 22:31:16,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:16,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 4 times [2021-11-02 22:31:16,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:16,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674012782] [2021-11-02 22:31:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:16,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:16,503 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:16,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:16,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:16,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1711072723, now seen corresponding path program 1 times [2021-11-02 22:31:16,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:16,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092407266] [2021-11-02 22:31:16,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:16,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:16,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:16,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092407266] [2021-11-02 22:31:16,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092407266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:16,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:16,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:16,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573890076] [2021-11-02 22:31:16,639 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:16,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:16,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:16,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:16,640 INFO L87 Difference]: Start difference. First operand 211 states and 297 transitions. cyclomatic complexity: 87 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:16,662 INFO L93 Difference]: Finished difference Result 364 states and 524 transitions. [2021-11-02 22:31:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:16,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 364 states and 524 transitions. [2021-11-02 22:31:16,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 318 [2021-11-02 22:31:16,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 364 states to 364 states and 524 transitions. [2021-11-02 22:31:16,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 364 [2021-11-02 22:31:16,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 364 [2021-11-02 22:31:16,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 364 states and 524 transitions. [2021-11-02 22:31:16,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:16,674 INFO L681 BuchiCegarLoop]: Abstraction has 364 states and 524 transitions. [2021-11-02 22:31:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states and 524 transitions. [2021-11-02 22:31:16,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2021-11-02 22:31:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 358 states have (on average 1.4385474860335195) internal successors, (515), 357 states have internal predecessors, (515), 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) [2021-11-02 22:31:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 515 transitions. [2021-11-02 22:31:16,718 INFO L704 BuchiCegarLoop]: Abstraction has 358 states and 515 transitions. [2021-11-02 22:31:16,718 INFO L587 BuchiCegarLoop]: Abstraction has 358 states and 515 transitions. [2021-11-02 22:31:16,719 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-02 22:31:16,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 358 states and 515 transitions. [2021-11-02 22:31:16,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 312 [2021-11-02 22:31:16,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:16,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:16,724 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:16,724 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:16,726 INFO L791 eck$LassoCheckResult]: Stem: 1776#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 1712#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 1713#L230 assume 0 == ~r1~0 % 256; 1756#L231 assume ~id1~0 >= 0; 1758#L232 assume 0 == ~st1~0; 1742#L233 assume ~send1~0 == ~id1~0; 1743#L234 assume 0 == ~mode1~0 % 256; 1752#L235 assume ~id2~0 >= 0; 1735#L236 assume 0 == ~st2~0; 1736#L237 assume ~send2~0 == ~id2~0; 1698#L238 assume 0 == ~mode2~0 % 256; 1699#L239 assume ~id3~0 >= 0; 1696#L240 assume 0 == ~st3~0; 1697#L241 assume ~send3~0 == ~id3~0; 1701#L242 assume 0 == ~mode3~0 % 256; 1757#L243 assume ~id4~0 >= 0; 1677#L244 assume 0 == ~st4~0; 1678#L245 assume ~send4~0 == ~id4~0; 1700#L246 assume 0 == ~mode4~0 % 256; 1741#L247 assume ~id5~0 >= 0; 1770#L248 assume 0 == ~st5~0; 1673#L249 assume ~send5~0 == ~id5~0; 1674#L250 assume 0 == ~mode5~0 % 256; 1759#L251 assume ~id6~0 >= 0; 1722#L252 assume 0 == ~st6~0; 1723#L253 assume ~send6~0 == ~id6~0; 1730#L254 assume 0 == ~mode6~0 % 256; 1690#L255 assume ~id1~0 != ~id2~0; 1691#L256 assume ~id1~0 != ~id3~0; 1724#L257 assume ~id1~0 != ~id4~0; 1702#L258 assume ~id1~0 != ~id5~0; 1703#L259 assume ~id1~0 != ~id6~0; 1744#L260 assume ~id2~0 != ~id3~0; 1745#L261 assume ~id2~0 != ~id4~0; 1731#L262 assume ~id2~0 != ~id5~0; 1732#L263 assume ~id2~0 != ~id6~0; 1737#L264 assume ~id3~0 != ~id4~0; 1738#L265 assume ~id3~0 != ~id5~0; 1684#L266 assume ~id3~0 != ~id6~0; 1685#L267 assume ~id4~0 != ~id5~0; 1694#L268 assume ~id4~0 != ~id6~0; 1695#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 1739#L230-1 init_#res := init_~tmp~0; 1762#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1719#L24 assume !(0 == assume_abort_if_not_~cond); 1686#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 1687#L496 [2021-11-02 22:31:16,727 INFO L793 eck$LassoCheckResult]: Loop: 1687#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1682#L80 assume !(0 != ~mode1~0 % 256); 1683#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 1774#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 1878#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1876#L106 assume !(0 != ~mode2~0 % 256); 1877#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 1980#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 1973#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1969#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1967#L134 assume !(node3_~m3~0 != ~nomsg~0); 1963#L134-1 ~mode3~0 := 0; 1957#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1954#L156 assume !(0 != ~mode4~0 % 256); 1953#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 1947#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 1942#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1940#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1936#L184 assume !(node5_~m5~0 != ~nomsg~0); 1932#L184-1 ~mode5~0 := 0; 1929#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 1928#L206 assume !(0 != ~mode6~0 % 256); 1924#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 1918#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 1915#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1913#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1911#L400 assume ~r1~0 % 256 >= 6; 1907#L404 assume !(~r1~0 % 256 < 6); 1906#L408 assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0;check_~tmp~1 := 1; 1905#L399-1 check_#res := check_~tmp~1; 1904#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1799#L501 assume !(0 == assert_~arg % 256); 1795#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1796#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1775#L84 assume !(node1_~m1~0 != ~nomsg~0); 1709#L84-1 ~mode1~0 := 0; 1785#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1784#L106 assume !(0 != ~mode2~0 % 256); 1773#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 1716#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 1717#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 2017#L131 assume !(0 != ~mode3~0 % 256); 2016#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 2011#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 2010#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 2009#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 2007#L159 assume !(node4_~m4~0 != ~nomsg~0); 2004#L159-1 ~mode4~0 := 0; 2002#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 2001#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 2000#L184 assume !(node5_~m5~0 != ~nomsg~0); 1996#L184-1 ~mode5~0 := 0; 1994#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 1993#L206 assume !(0 != ~mode6~0 % 256); 1989#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 1987#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 1986#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1985#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1982#L400 assume !(~r1~0 % 256 >= 6); 1983#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 1984#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 2018#L399-1 check_#res := check_~tmp~1; 1671#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1672#L501 assume !(0 == assert_~arg % 256); 1687#L496 [2021-11-02 22:31:16,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:16,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 5 times [2021-11-02 22:31:16,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:16,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991219031] [2021-11-02 22:31:16,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:16,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:16,752 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:16,793 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:16,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:16,794 INFO L85 PathProgramCache]: Analyzing trace with hash -123681328, now seen corresponding path program 1 times [2021-11-02 22:31:16,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:16,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652202291] [2021-11-02 22:31:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:16,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:16,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:16,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652202291] [2021-11-02 22:31:16,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652202291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:16,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:16,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:16,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111141227] [2021-11-02 22:31:16,859 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:16,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:16,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:16,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:16,860 INFO L87 Difference]: Start difference. First operand 358 states and 515 transitions. cyclomatic complexity: 158 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:16,903 INFO L93 Difference]: Finished difference Result 520 states and 763 transitions. [2021-11-02 22:31:16,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:16,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 520 states and 763 transitions. [2021-11-02 22:31:16,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 472 [2021-11-02 22:31:16,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 520 states to 518 states and 761 transitions. [2021-11-02 22:31:16,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 518 [2021-11-02 22:31:16,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 518 [2021-11-02 22:31:16,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 518 states and 761 transitions. [2021-11-02 22:31:16,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:16,919 INFO L681 BuchiCegarLoop]: Abstraction has 518 states and 761 transitions. [2021-11-02 22:31:16,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states and 761 transitions. [2021-11-02 22:31:16,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 446. [2021-11-02 22:31:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 446 states have (on average 1.4663677130044843) internal successors, (654), 445 states have internal predecessors, (654), 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) [2021-11-02 22:31:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 654 transitions. [2021-11-02 22:31:16,935 INFO L704 BuchiCegarLoop]: Abstraction has 446 states and 654 transitions. [2021-11-02 22:31:16,935 INFO L587 BuchiCegarLoop]: Abstraction has 446 states and 654 transitions. [2021-11-02 22:31:16,935 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-02 22:31:16,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 446 states and 654 transitions. [2021-11-02 22:31:16,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 400 [2021-11-02 22:31:16,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:16,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:16,941 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:16,942 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:16,942 INFO L791 eck$LassoCheckResult]: Stem: 2668#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 2596#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 2597#L230 assume 0 == ~r1~0 % 256; 2642#L231 assume ~id1~0 >= 0; 2644#L232 assume 0 == ~st1~0; 2628#L233 assume ~send1~0 == ~id1~0; 2629#L234 assume 0 == ~mode1~0 % 256; 2638#L235 assume ~id2~0 >= 0; 2620#L236 assume 0 == ~st2~0; 2621#L237 assume ~send2~0 == ~id2~0; 2582#L238 assume 0 == ~mode2~0 % 256; 2583#L239 assume ~id3~0 >= 0; 2580#L240 assume 0 == ~st3~0; 2581#L241 assume ~send3~0 == ~id3~0; 2585#L242 assume 0 == ~mode3~0 % 256; 2643#L243 assume ~id4~0 >= 0; 2561#L244 assume 0 == ~st4~0; 2562#L245 assume ~send4~0 == ~id4~0; 2584#L246 assume 0 == ~mode4~0 % 256; 2627#L247 assume ~id5~0 >= 0; 2657#L248 assume 0 == ~st5~0; 2557#L249 assume ~send5~0 == ~id5~0; 2558#L250 assume 0 == ~mode5~0 % 256; 2645#L251 assume ~id6~0 >= 0; 2607#L252 assume 0 == ~st6~0; 2608#L253 assume ~send6~0 == ~id6~0; 2615#L254 assume 0 == ~mode6~0 % 256; 2574#L255 assume ~id1~0 != ~id2~0; 2575#L256 assume ~id1~0 != ~id3~0; 2609#L257 assume ~id1~0 != ~id4~0; 2586#L258 assume ~id1~0 != ~id5~0; 2587#L259 assume ~id1~0 != ~id6~0; 2630#L260 assume ~id2~0 != ~id3~0; 2631#L261 assume ~id2~0 != ~id4~0; 2616#L262 assume ~id2~0 != ~id5~0; 2617#L263 assume ~id2~0 != ~id6~0; 2622#L264 assume ~id3~0 != ~id4~0; 2623#L265 assume ~id3~0 != ~id5~0; 2568#L266 assume ~id3~0 != ~id6~0; 2569#L267 assume ~id4~0 != ~id5~0; 2578#L268 assume ~id4~0 != ~id6~0; 2579#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 2624#L230-1 init_#res := init_~tmp~0; 2649#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 2604#L24 assume !(0 == assume_abort_if_not_~cond); 2570#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 2571#L496 [2021-11-02 22:31:16,942 INFO L793 eck$LassoCheckResult]: Loop: 2571#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 2745#L80 assume !(0 != ~mode1~0 % 256); 2683#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 2684#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 2744#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 2742#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 2740#L109 assume !(node2_~m2~0 != ~nomsg~0); 2738#L109-1 ~mode2~0 := 0; 2737#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 2736#L131 assume !(0 != ~mode3~0 % 256); 2732#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 2730#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 2729#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 2728#L156 assume !(0 != ~mode4~0 % 256); 2724#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 2722#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 2721#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 2720#L181 assume !(0 != ~mode5~0 % 256); 2716#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 2714#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 2713#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 2712#L206 assume !(0 != ~mode6~0 % 256); 2708#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 2706#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 2705#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 2704#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 2703#L400 assume !(~r1~0 % 256 >= 6); 2702#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 2700#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 2701#L399-1 check_#res := check_~tmp~1; 2886#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 2885#L501 assume !(0 == assert_~arg % 256); 2692#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 2689#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 2690#L84 assume !(node1_~m1~0 != ~nomsg~0); 2650#L84-1 ~mode1~0 := 0; 2679#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 2680#L106 assume !(0 != ~mode2~0 % 256); 2963#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 2962#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 2959#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 2957#L131 assume !(0 != ~mode3~0 % 256); 2956#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 2954#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 2951#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 2944#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 2945#L159 assume !(node4_~m4~0 != ~nomsg~0); 2857#L159-1 ~mode4~0 := 0; 2932#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 2931#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 2930#L184 assume !(node5_~m5~0 != ~nomsg~0); 2924#L184-1 ~mode5~0 := 0; 2922#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 2805#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 2801#L209 assume !(node6_~m6~0 != ~nomsg~0); 2796#L209-1 ~mode6~0 := 0; 2794#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 2793#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 2757#L400 assume !(~r1~0 % 256 >= 6); 2756#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 2755#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 2753#L399-1 check_#res := check_~tmp~1; 2751#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 2749#L501 assume !(0 == assert_~arg % 256); 2571#L496 [2021-11-02 22:31:16,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:16,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 6 times [2021-11-02 22:31:16,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:16,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091285679] [2021-11-02 22:31:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:16,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:16,960 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:16,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:16,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:16,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1764943827, now seen corresponding path program 1 times [2021-11-02 22:31:16,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:16,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412372447] [2021-11-02 22:31:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:16,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:17,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:17,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412372447] [2021-11-02 22:31:17,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412372447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:17,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:17,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:17,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237070104] [2021-11-02 22:31:17,059 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:17,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:17,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:17,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:17,060 INFO L87 Difference]: Start difference. First operand 446 states and 654 transitions. cyclomatic complexity: 209 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:17,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:17,084 INFO L93 Difference]: Finished difference Result 830 states and 1230 transitions. [2021-11-02 22:31:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:17,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 830 states and 1230 transitions. [2021-11-02 22:31:17,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 784 [2021-11-02 22:31:17,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 830 states to 830 states and 1230 transitions. [2021-11-02 22:31:17,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 830 [2021-11-02 22:31:17,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 830 [2021-11-02 22:31:17,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 830 states and 1230 transitions. [2021-11-02 22:31:17,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:17,108 INFO L681 BuchiCegarLoop]: Abstraction has 830 states and 1230 transitions. [2021-11-02 22:31:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states and 1230 transitions. [2021-11-02 22:31:17,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 798. [2021-11-02 22:31:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 798 states have (on average 1.4711779448621554) internal successors, (1174), 797 states have internal predecessors, (1174), 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) [2021-11-02 22:31:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1174 transitions. [2021-11-02 22:31:17,132 INFO L704 BuchiCegarLoop]: Abstraction has 798 states and 1174 transitions. [2021-11-02 22:31:17,132 INFO L587 BuchiCegarLoop]: Abstraction has 798 states and 1174 transitions. [2021-11-02 22:31:17,133 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-02 22:31:17,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 798 states and 1174 transitions. [2021-11-02 22:31:17,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 752 [2021-11-02 22:31:17,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:17,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:17,142 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:17,142 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:17,142 INFO L791 eck$LassoCheckResult]: Stem: 3951#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 3878#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 3879#L230 assume 0 == ~r1~0 % 256; 3922#L231 assume ~id1~0 >= 0; 3928#L232 assume 0 == ~st1~0; 3909#L233 assume ~send1~0 == ~id1~0; 3910#L234 assume 0 == ~mode1~0 % 256; 3920#L235 assume ~id2~0 >= 0; 3901#L236 assume 0 == ~st2~0; 3902#L237 assume ~send2~0 == ~id2~0; 3864#L238 assume 0 == ~mode2~0 % 256; 3865#L239 assume ~id3~0 >= 0; 3862#L240 assume 0 == ~st3~0; 3863#L241 assume ~send3~0 == ~id3~0; 3867#L242 assume 0 == ~mode3~0 % 256; 3927#L243 assume ~id4~0 >= 0; 3843#L244 assume 0 == ~st4~0; 3844#L245 assume ~send4~0 == ~id4~0; 3866#L246 assume 0 == ~mode4~0 % 256; 3908#L247 assume ~id5~0 >= 0; 3942#L248 assume 0 == ~st5~0; 3839#L249 assume ~send5~0 == ~id5~0; 3840#L250 assume 0 == ~mode5~0 % 256; 3929#L251 assume ~id6~0 >= 0; 3889#L252 assume 0 == ~st6~0; 3890#L253 assume ~send6~0 == ~id6~0; 3896#L254 assume 0 == ~mode6~0 % 256; 3856#L255 assume ~id1~0 != ~id2~0; 3857#L256 assume ~id1~0 != ~id3~0; 3891#L257 assume ~id1~0 != ~id4~0; 3868#L258 assume ~id1~0 != ~id5~0; 3869#L259 assume ~id1~0 != ~id6~0; 3911#L260 assume ~id2~0 != ~id3~0; 3912#L261 assume ~id2~0 != ~id4~0; 3897#L262 assume ~id2~0 != ~id5~0; 3898#L263 assume ~id2~0 != ~id6~0; 3903#L264 assume ~id3~0 != ~id4~0; 3904#L265 assume ~id3~0 != ~id5~0; 3850#L266 assume ~id3~0 != ~id6~0; 3851#L267 assume ~id4~0 != ~id5~0; 3860#L268 assume ~id4~0 != ~id6~0; 3861#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 3905#L230-1 init_#res := init_~tmp~0; 3932#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 3886#L24 assume !(0 == assume_abort_if_not_~cond); 3852#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 3853#L496 [2021-11-02 22:31:17,143 INFO L793 eck$LassoCheckResult]: Loop: 3853#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 4279#L80 assume !(0 != ~mode1~0 % 256); 4164#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 4273#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 4269#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 4263#L106 assume !(0 != ~mode2~0 % 256); 4261#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 4259#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 4257#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 4254#L131 assume !(0 != ~mode3~0 % 256); 4252#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 4250#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 4248#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 4246#L156 assume !(0 != ~mode4~0 % 256); 4238#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 4234#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 4230#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 4227#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 4225#L184 assume !(node5_~m5~0 != ~nomsg~0); 4219#L184-1 ~mode5~0 := 0; 4216#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 4214#L206 assume !(0 != ~mode6~0 % 256); 4206#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 4202#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 4200#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 4198#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 4196#L400 assume !(~r1~0 % 256 >= 6); 4195#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 4193#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 4191#L399-1 check_#res := check_~tmp~1; 4189#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 4187#L501 assume !(0 == assert_~arg % 256); 4185#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 4183#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 4181#L84 assume !(node1_~m1~0 != ~nomsg~0); 3957#L84-1 ~mode1~0 := 0; 3958#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 4471#L106 assume !(0 != ~mode2~0 % 256); 4472#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 4627#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 4626#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 4625#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 4605#L134 assume !(node3_~m3~0 != ~nomsg~0); 4387#L134-1 ~mode3~0 := 0; 4386#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 4381#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 4378#L159 assume !(node4_~m4~0 != ~nomsg~0); 4372#L159-1 ~mode4~0 := 0; 4369#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 4368#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 4366#L184 assume !(node5_~m5~0 != ~nomsg~0); 4361#L184-1 ~mode5~0 := 0; 4359#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 4354#L206 assume !(0 != ~mode6~0 % 256); 4353#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 4325#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 4323#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 4321#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 4318#L400 assume !(~r1~0 % 256 >= 6); 4316#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 4310#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 4304#L399-1 check_#res := check_~tmp~1; 4298#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 4292#L501 assume !(0 == assert_~arg % 256); 3853#L496 [2021-11-02 22:31:17,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 7 times [2021-11-02 22:31:17,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588820991] [2021-11-02 22:31:17,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:17,158 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:17,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:17,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,185 INFO L85 PathProgramCache]: Analyzing trace with hash -40265683, now seen corresponding path program 1 times [2021-11-02 22:31:17,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380433493] [2021-11-02 22:31:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:17,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:17,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380433493] [2021-11-02 22:31:17,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380433493] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:17,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:17,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:17,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621988007] [2021-11-02 22:31:17,246 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:17,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:17,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:17,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:17,247 INFO L87 Difference]: Start difference. First operand 798 states and 1174 transitions. cyclomatic complexity: 377 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:17,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:17,270 INFO L93 Difference]: Finished difference Result 808 states and 1181 transitions. [2021-11-02 22:31:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:17,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 808 states and 1181 transitions. [2021-11-02 22:31:17,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 752 [2021-11-02 22:31:17,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 808 states to 808 states and 1181 transitions. [2021-11-02 22:31:17,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 808 [2021-11-02 22:31:17,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 808 [2021-11-02 22:31:17,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 808 states and 1181 transitions. [2021-11-02 22:31:17,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:17,293 INFO L681 BuchiCegarLoop]: Abstraction has 808 states and 1181 transitions. [2021-11-02 22:31:17,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states and 1181 transitions. [2021-11-02 22:31:17,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 804. [2021-11-02 22:31:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 804 states have (on average 1.4601990049751243) internal successors, (1174), 803 states have internal predecessors, (1174), 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) [2021-11-02 22:31:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1174 transitions. [2021-11-02 22:31:17,317 INFO L704 BuchiCegarLoop]: Abstraction has 804 states and 1174 transitions. [2021-11-02 22:31:17,317 INFO L587 BuchiCegarLoop]: Abstraction has 804 states and 1174 transitions. [2021-11-02 22:31:17,317 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-02 22:31:17,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 804 states and 1174 transitions. [2021-11-02 22:31:17,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 752 [2021-11-02 22:31:17,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:17,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:17,327 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:17,327 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:17,327 INFO L791 eck$LassoCheckResult]: Stem: 5566#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 5490#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 5491#L230 assume 0 == ~r1~0 % 256; 5536#L231 assume ~id1~0 >= 0; 5542#L232 assume 0 == ~st1~0; 5524#L233 assume ~send1~0 == ~id1~0; 5525#L234 assume 0 == ~mode1~0 % 256; 5534#L235 assume ~id2~0 >= 0; 5516#L236 assume 0 == ~st2~0; 5517#L237 assume ~send2~0 == ~id2~0; 5476#L238 assume 0 == ~mode2~0 % 256; 5477#L239 assume ~id3~0 >= 0; 5474#L240 assume 0 == ~st3~0; 5475#L241 assume ~send3~0 == ~id3~0; 5479#L242 assume 0 == ~mode3~0 % 256; 5541#L243 assume ~id4~0 >= 0; 5455#L244 assume 0 == ~st4~0; 5456#L245 assume ~send4~0 == ~id4~0; 5478#L246 assume 0 == ~mode4~0 % 256; 5523#L247 assume ~id5~0 >= 0; 5556#L248 assume 0 == ~st5~0; 5451#L249 assume ~send5~0 == ~id5~0; 5452#L250 assume 0 == ~mode5~0 % 256; 5543#L251 assume ~id6~0 >= 0; 5502#L252 assume 0 == ~st6~0; 5503#L253 assume ~send6~0 == ~id6~0; 5511#L254 assume 0 == ~mode6~0 % 256; 5468#L255 assume ~id1~0 != ~id2~0; 5469#L256 assume ~id1~0 != ~id3~0; 5504#L257 assume ~id1~0 != ~id4~0; 5480#L258 assume ~id1~0 != ~id5~0; 5481#L259 assume ~id1~0 != ~id6~0; 5526#L260 assume ~id2~0 != ~id3~0; 5527#L261 assume ~id2~0 != ~id4~0; 5512#L262 assume ~id2~0 != ~id5~0; 5513#L263 assume ~id2~0 != ~id6~0; 5518#L264 assume ~id3~0 != ~id4~0; 5519#L265 assume ~id3~0 != ~id5~0; 5462#L266 assume ~id3~0 != ~id6~0; 5463#L267 assume ~id4~0 != ~id5~0; 5472#L268 assume ~id4~0 != ~id6~0; 5473#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 5520#L230-1 init_#res := init_~tmp~0; 5547#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 5499#L24 assume !(0 == assume_abort_if_not_~cond); 5464#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 5465#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 5544#L80 assume !(0 != ~mode1~0 % 256); 5563#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 5564#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 5470#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 5471#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 5559#L109 [2021-11-02 22:31:17,328 INFO L793 eck$LassoCheckResult]: Loop: 5559#L109 assume !(node2_~m2~0 != ~nomsg~0); 5532#L109-1 ~mode2~0 := 0; 5833#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 5830#L131 assume !(0 != ~mode3~0 % 256); 5828#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 5826#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 5824#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 5821#L156 assume !(0 != ~mode4~0 % 256); 5813#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 5809#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 5807#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 5806#L181 assume !(0 != ~mode5~0 % 256); 5801#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 5795#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 5792#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 5789#L206 assume !(0 != ~mode6~0 % 256); 5781#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 5777#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 5775#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 5773#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 5769#L400 assume !(~r1~0 % 256 >= 6); 5770#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 5772#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 6027#L399-1 check_#res := check_~tmp~1; 6023#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 5579#L501 assume !(0 == assert_~arg % 256); 5580#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 6008#L80 assume !(0 != ~mode1~0 % 256); 6002#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 6000#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 5998#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 5996#L106 assume !(0 != ~mode2~0 % 256); 5994#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 5992#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 5990#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 5987#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 5901#L134 assume !(node3_~m3~0 != ~nomsg~0); 5982#L134-1 ~mode3~0 := 0; 5980#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 5977#L156 assume !(0 != ~mode4~0 % 256); 5972#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 5948#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 5946#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 5943#L181 assume !(0 != ~mode5~0 % 256); 5938#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 5932#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 5879#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 5860#L206 assume !(0 != ~mode6~0 % 256); 5857#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 5613#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 5614#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 5605#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 5606#L400 assume !(~r1~0 % 256 >= 6); 5856#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 5595#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 5594#L399-1 check_#res := check_~tmp~1; 5592#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 5591#L501 assume !(0 == assert_~arg % 256); 5590#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 5589#L80 assume !(0 != ~mode1~0 % 256); 5583#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 5581#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 5578#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 5562#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 5559#L109 [2021-11-02 22:31:17,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1384643135, now seen corresponding path program 1 times [2021-11-02 22:31:17,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569505267] [2021-11-02 22:31:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:17,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:17,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569505267] [2021-11-02 22:31:17,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569505267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:17,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:17,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:31:17,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779268471] [2021-11-02 22:31:17,404 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:31:17,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash -819089075, now seen corresponding path program 1 times [2021-11-02 22:31:17,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42459969] [2021-11-02 22:31:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:17,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:17,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42459969] [2021-11-02 22:31:17,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42459969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:17,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:17,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:17,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180565154] [2021-11-02 22:31:17,466 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:17,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:17,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:17,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:17,467 INFO L87 Difference]: Start difference. First operand 804 states and 1174 transitions. cyclomatic complexity: 371 Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:31:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:17,489 INFO L93 Difference]: Finished difference Result 804 states and 1173 transitions. [2021-11-02 22:31:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:17,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 804 states and 1173 transitions. [2021-11-02 22:31:17,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 752 [2021-11-02 22:31:17,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 804 states to 804 states and 1173 transitions. [2021-11-02 22:31:17,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 804 [2021-11-02 22:31:17,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 804 [2021-11-02 22:31:17,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 804 states and 1173 transitions. [2021-11-02 22:31:17,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:17,510 INFO L681 BuchiCegarLoop]: Abstraction has 804 states and 1173 transitions. [2021-11-02 22:31:17,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states and 1173 transitions. [2021-11-02 22:31:17,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 798. [2021-11-02 22:31:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 798 states have (on average 1.4611528822055138) internal successors, (1166), 797 states have internal predecessors, (1166), 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) [2021-11-02 22:31:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1166 transitions. [2021-11-02 22:31:17,533 INFO L704 BuchiCegarLoop]: Abstraction has 798 states and 1166 transitions. [2021-11-02 22:31:17,533 INFO L587 BuchiCegarLoop]: Abstraction has 798 states and 1166 transitions. [2021-11-02 22:31:17,533 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-02 22:31:17,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 798 states and 1166 transitions. [2021-11-02 22:31:17,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 752 [2021-11-02 22:31:17,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:17,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:17,541 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:17,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:17,542 INFO L791 eck$LassoCheckResult]: Stem: 7176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 7106#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 7107#L230 assume 0 == ~r1~0 % 256; 7150#L231 assume ~id1~0 >= 0; 7156#L232 assume 0 == ~st1~0; 7137#L233 assume ~send1~0 == ~id1~0; 7138#L234 assume 0 == ~mode1~0 % 256; 7148#L235 assume ~id2~0 >= 0; 7130#L236 assume 0 == ~st2~0; 7131#L237 assume ~send2~0 == ~id2~0; 7092#L238 assume 0 == ~mode2~0 % 256; 7093#L239 assume ~id3~0 >= 0; 7090#L240 assume 0 == ~st3~0; 7091#L241 assume ~send3~0 == ~id3~0; 7095#L242 assume 0 == ~mode3~0 % 256; 7155#L243 assume ~id4~0 >= 0; 7070#L244 assume 0 == ~st4~0; 7071#L245 assume ~send4~0 == ~id4~0; 7094#L246 assume 0 == ~mode4~0 % 256; 7136#L247 assume ~id5~0 >= 0; 7167#L248 assume 0 == ~st5~0; 7066#L249 assume ~send5~0 == ~id5~0; 7067#L250 assume 0 == ~mode5~0 % 256; 7157#L251 assume ~id6~0 >= 0; 7116#L252 assume 0 == ~st6~0; 7117#L253 assume ~send6~0 == ~id6~0; 7125#L254 assume 0 == ~mode6~0 % 256; 7084#L255 assume ~id1~0 != ~id2~0; 7085#L256 assume ~id1~0 != ~id3~0; 7118#L257 assume ~id1~0 != ~id4~0; 7096#L258 assume ~id1~0 != ~id5~0; 7097#L259 assume ~id1~0 != ~id6~0; 7139#L260 assume ~id2~0 != ~id3~0; 7140#L261 assume ~id2~0 != ~id4~0; 7126#L262 assume ~id2~0 != ~id5~0; 7127#L263 assume ~id2~0 != ~id6~0; 7132#L264 assume ~id3~0 != ~id4~0; 7133#L265 assume ~id3~0 != ~id5~0; 7077#L266 assume ~id3~0 != ~id6~0; 7078#L267 assume ~id4~0 != ~id5~0; 7088#L268 assume ~id4~0 != ~id6~0; 7089#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 7134#L230-1 init_#res := init_~tmp~0; 7160#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 7113#L24 assume !(0 == assume_abort_if_not_~cond); 7079#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 7080#L496 [2021-11-02 22:31:17,542 INFO L793 eck$LassoCheckResult]: Loop: 7080#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 7075#L80 assume !(0 != ~mode1~0 % 256); 7076#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 7174#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 7752#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 7724#L106 assume !(0 != ~mode2~0 % 256); 7721#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 7718#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 7716#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 7711#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 7542#L134 assume !(node3_~m3~0 != ~nomsg~0); 7539#L134-1 ~mode3~0 := 0; 7538#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 7537#L156 assume !(0 != ~mode4~0 % 256); 7526#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 7522#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 7519#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 7516#L181 assume !(0 != ~mode5~0 % 256); 7511#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 7508#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 7506#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 7504#L206 assume !(0 != ~mode6~0 % 256); 7500#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 7498#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 7496#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 7458#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 7440#L400 assume !(~r1~0 % 256 >= 6); 7441#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 7437#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 7435#L399-1 check_#res := check_~tmp~1; 7432#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 7428#L501 assume !(0 == assert_~arg % 256); 7424#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 7419#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 7420#L84 assume !(node1_~m1~0 != ~nomsg~0); 7841#L84-1 ~mode1~0 := 0; 7839#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 7838#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 7836#L109 assume !(node2_~m2~0 != ~nomsg~0); 7832#L109-1 ~mode2~0 := 0; 7831#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 7830#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 7109#L134 assume !(node3_~m3~0 != ~nomsg~0); 7114#L134-1 ~mode3~0 := 0; 7115#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 7163#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 7798#L159 assume !(node4_~m4~0 != ~nomsg~0); 7792#L159-1 ~mode4~0 := 0; 7789#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 7786#L181 assume !(0 != ~mode5~0 % 256); 7782#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 7768#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 7761#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 7759#L206 assume !(0 != ~mode6~0 % 256); 7760#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 7753#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 7751#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 7141#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 7142#L400 assume !(~r1~0 % 256 >= 6); 7123#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 7124#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 7178#L399-1 check_#res := check_~tmp~1; 7064#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 7065#L501 assume !(0 == assert_~arg % 256); 7080#L496 [2021-11-02 22:31:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 8 times [2021-11-02 22:31:17,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390549208] [2021-11-02 22:31:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:17,558 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:17,584 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:17,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,585 INFO L85 PathProgramCache]: Analyzing trace with hash 746565421, now seen corresponding path program 1 times [2021-11-02 22:31:17,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181855300] [2021-11-02 22:31:17,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:17,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:17,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181855300] [2021-11-02 22:31:17,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181855300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:17,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:17,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:17,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137513836] [2021-11-02 22:31:17,651 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:17,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:17,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:17,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:17,653 INFO L87 Difference]: Start difference. First operand 798 states and 1166 transitions. cyclomatic complexity: 369 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:17,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:17,679 INFO L93 Difference]: Finished difference Result 810 states and 1174 transitions. [2021-11-02 22:31:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:17,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 810 states and 1174 transitions. [2021-11-02 22:31:17,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 752 [2021-11-02 22:31:17,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 810 states to 810 states and 1174 transitions. [2021-11-02 22:31:17,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 810 [2021-11-02 22:31:17,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 810 [2021-11-02 22:31:17,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 810 states and 1174 transitions. [2021-11-02 22:31:17,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:17,702 INFO L681 BuchiCegarLoop]: Abstraction has 810 states and 1174 transitions. [2021-11-02 22:31:17,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states and 1174 transitions. [2021-11-02 22:31:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 808. [2021-11-02 22:31:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 808 states have (on average 1.4492574257425743) internal successors, (1171), 807 states have internal predecessors, (1171), 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) [2021-11-02 22:31:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1171 transitions. [2021-11-02 22:31:17,724 INFO L704 BuchiCegarLoop]: Abstraction has 808 states and 1171 transitions. [2021-11-02 22:31:17,724 INFO L587 BuchiCegarLoop]: Abstraction has 808 states and 1171 transitions. [2021-11-02 22:31:17,724 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-02 22:31:17,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 808 states and 1171 transitions. [2021-11-02 22:31:17,730 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 752 [2021-11-02 22:31:17,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:17,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:17,732 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 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] [2021-11-02 22:31:17,732 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:17,733 INFO L791 eck$LassoCheckResult]: Stem: 8788#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 8719#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 8720#L230 assume 0 == ~r1~0 % 256; 8766#L231 assume ~id1~0 >= 0; 8768#L232 assume 0 == ~st1~0; 8750#L233 assume ~send1~0 == ~id1~0; 8751#L234 assume 0 == ~mode1~0 % 256; 8762#L235 assume ~id2~0 >= 0; 8743#L236 assume 0 == ~st2~0; 8744#L237 assume ~send2~0 == ~id2~0; 8705#L238 assume 0 == ~mode2~0 % 256; 8706#L239 assume ~id3~0 >= 0; 8703#L240 assume 0 == ~st3~0; 8704#L241 assume ~send3~0 == ~id3~0; 8708#L242 assume 0 == ~mode3~0 % 256; 8767#L243 assume ~id4~0 >= 0; 8684#L244 assume 0 == ~st4~0; 8685#L245 assume ~send4~0 == ~id4~0; 8707#L246 assume 0 == ~mode4~0 % 256; 8749#L247 assume ~id5~0 >= 0; 8781#L248 assume 0 == ~st5~0; 8680#L249 assume ~send5~0 == ~id5~0; 8681#L250 assume 0 == ~mode5~0 % 256; 8769#L251 assume ~id6~0 >= 0; 8731#L252 assume 0 == ~st6~0; 8732#L253 assume ~send6~0 == ~id6~0; 8738#L254 assume 0 == ~mode6~0 % 256; 8697#L255 assume ~id1~0 != ~id2~0; 8698#L256 assume ~id1~0 != ~id3~0; 8733#L257 assume ~id1~0 != ~id4~0; 8709#L258 assume ~id1~0 != ~id5~0; 8710#L259 assume ~id1~0 != ~id6~0; 8752#L260 assume ~id2~0 != ~id3~0; 8753#L261 assume ~id2~0 != ~id4~0; 8739#L262 assume ~id2~0 != ~id5~0; 8740#L263 assume ~id2~0 != ~id6~0; 8745#L264 assume ~id3~0 != ~id4~0; 8746#L265 assume ~id3~0 != ~id5~0; 8691#L266 assume ~id3~0 != ~id6~0; 8692#L267 assume ~id4~0 != ~id5~0; 8701#L268 assume ~id4~0 != ~id6~0; 8702#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 8747#L230-1 init_#res := init_~tmp~0; 8772#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 8727#L24 assume !(0 == assume_abort_if_not_~cond); 8693#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 8694#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 8689#L80 assume !(0 != ~mode1~0 % 256); 8690#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 9484#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 9483#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 8784#L106 assume !(0 != ~mode2~0 % 256); 8785#L119 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite8 := ~p2_new~0; 8722#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 8723#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 8730#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9350#L134 [2021-11-02 22:31:17,733 INFO L793 eck$LassoCheckResult]: Loop: 9350#L134 assume !(node3_~m3~0 != ~nomsg~0); 9347#L134-1 ~mode3~0 := 0; 9346#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 9344#L156 assume !(0 != ~mode4~0 % 256); 9339#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 9336#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 9334#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 9333#L181 assume !(0 != ~mode5~0 % 256); 9328#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 9325#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 9323#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 9321#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 9320#L209 assume !(node6_~m6~0 != ~nomsg~0); 9317#L209-1 ~mode6~0 := 0; 9249#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 9246#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 9242#L400 assume !(~r1~0 % 256 >= 6); 9239#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 9235#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 9234#L399-1 check_#res := check_~tmp~1; 9233#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 9231#L501 assume !(0 == assert_~arg % 256); 9230#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 9229#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 8787#L84 assume !(node1_~m1~0 != ~nomsg~0); 8716#L84-1 ~mode1~0 := 0; 8799#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 8798#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 8783#L109 assume !(node2_~m2~0 != ~nomsg~0); 8759#L109-1 ~mode2~0 := 0; 8790#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 9470#L131 assume !(0 != ~mode3~0 % 256); 9352#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 8760#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 8761#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 9444#L156 assume !(0 != ~mode4~0 % 256); 9402#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 9399#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 9397#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 9395#L181 assume !(0 != ~mode5~0 % 256); 9386#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 9382#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 9380#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 9377#L206 assume !(0 != ~mode6~0 % 256); 9373#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 9363#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 9360#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 9358#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 8797#L400 assume !(~r1~0 % 256 >= 6); 8736#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 8737#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 9417#L399-1 check_#res := check_~tmp~1; 9479#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 8725#L501 assume !(0 == assert_~arg % 256); 8726#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 9485#L80 assume !(0 != ~mode1~0 % 256); 8786#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 8778#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 8699#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 8700#L106 assume !(0 != ~mode2~0 % 256); 9482#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 9481#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 9480#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 9351#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9350#L134 [2021-11-02 22:31:17,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2076288006, now seen corresponding path program 1 times [2021-11-02 22:31:17,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558420582] [2021-11-02 22:31:17,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:17,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:17,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558420582] [2021-11-02 22:31:17,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558420582] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:17,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:17,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:31:17,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395505397] [2021-11-02 22:31:17,827 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:31:17,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:17,828 INFO L85 PathProgramCache]: Analyzing trace with hash 594664355, now seen corresponding path program 1 times [2021-11-02 22:31:17,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:17,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353180723] [2021-11-02 22:31:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:17,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:17,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:17,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353180723] [2021-11-02 22:31:17,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353180723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:17,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:17,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:17,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661607224] [2021-11-02 22:31:17,890 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:17,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:31:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:31:17,893 INFO L87 Difference]: Start difference. First operand 808 states and 1171 transitions. cyclomatic complexity: 365 Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:31:18,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:18,287 INFO L93 Difference]: Finished difference Result 2312 states and 3378 transitions. [2021-11-02 22:31:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:31:18,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2312 states and 3378 transitions. [2021-11-02 22:31:18,313 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 2256 [2021-11-02 22:31:18,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2312 states to 2312 states and 3378 transitions. [2021-11-02 22:31:18,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2312 [2021-11-02 22:31:18,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2312 [2021-11-02 22:31:18,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2312 states and 3378 transitions. [2021-11-02 22:31:18,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:18,346 INFO L681 BuchiCegarLoop]: Abstraction has 2312 states and 3378 transitions. [2021-11-02 22:31:18,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states and 3378 transitions. [2021-11-02 22:31:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 1560. [2021-11-02 22:31:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1560 states have (on average 1.4576923076923076) internal successors, (2274), 1559 states have internal predecessors, (2274), 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) [2021-11-02 22:31:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2274 transitions. [2021-11-02 22:31:18,400 INFO L704 BuchiCegarLoop]: Abstraction has 1560 states and 2274 transitions. [2021-11-02 22:31:18,401 INFO L587 BuchiCegarLoop]: Abstraction has 1560 states and 2274 transitions. [2021-11-02 22:31:18,401 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-02 22:31:18,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1560 states and 2274 transitions. [2021-11-02 22:31:18,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1504 [2021-11-02 22:31:18,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:18,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:18,416 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 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] [2021-11-02 22:31:18,416 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:18,417 INFO L791 eck$LassoCheckResult]: Stem: 11931#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 11861#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 11862#L230 assume 0 == ~r1~0 % 256; 11905#L231 assume ~id1~0 >= 0; 11911#L232 assume 0 == ~st1~0; 11892#L233 assume ~send1~0 == ~id1~0; 11893#L234 assume 0 == ~mode1~0 % 256; 11903#L235 assume ~id2~0 >= 0; 11885#L236 assume 0 == ~st2~0; 11886#L237 assume ~send2~0 == ~id2~0; 11847#L238 assume 0 == ~mode2~0 % 256; 11848#L239 assume ~id3~0 >= 0; 11845#L240 assume 0 == ~st3~0; 11846#L241 assume ~send3~0 == ~id3~0; 11850#L242 assume 0 == ~mode3~0 % 256; 11910#L243 assume ~id4~0 >= 0; 11826#L244 assume 0 == ~st4~0; 11827#L245 assume ~send4~0 == ~id4~0; 11849#L246 assume 0 == ~mode4~0 % 256; 11891#L247 assume ~id5~0 >= 0; 11922#L248 assume 0 == ~st5~0; 11822#L249 assume ~send5~0 == ~id5~0; 11823#L250 assume 0 == ~mode5~0 % 256; 11912#L251 assume ~id6~0 >= 0; 11872#L252 assume 0 == ~st6~0; 11873#L253 assume ~send6~0 == ~id6~0; 11880#L254 assume 0 == ~mode6~0 % 256; 11839#L255 assume ~id1~0 != ~id2~0; 11840#L256 assume ~id1~0 != ~id3~0; 11874#L257 assume ~id1~0 != ~id4~0; 11851#L258 assume ~id1~0 != ~id5~0; 11852#L259 assume ~id1~0 != ~id6~0; 11894#L260 assume ~id2~0 != ~id3~0; 11895#L261 assume ~id2~0 != ~id4~0; 11881#L262 assume ~id2~0 != ~id5~0; 11882#L263 assume ~id2~0 != ~id6~0; 11887#L264 assume ~id3~0 != ~id4~0; 11888#L265 assume ~id3~0 != ~id5~0; 11833#L266 assume ~id3~0 != ~id6~0; 11834#L267 assume ~id4~0 != ~id5~0; 11843#L268 assume ~id4~0 != ~id6~0; 11844#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 11889#L230-1 init_#res := init_~tmp~0; 11915#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 11869#L24 assume !(0 == assume_abort_if_not_~cond); 11835#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 11836#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 12730#L80 assume !(0 != ~mode1~0 % 256); 12729#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 12728#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 12727#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 12726#L106 assume !(0 != ~mode2~0 % 256); 12725#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 12724#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 12723#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 12721#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 12722#L134 [2021-11-02 22:31:18,417 INFO L793 eck$LassoCheckResult]: Loop: 12722#L134 assume !(node3_~m3~0 != ~nomsg~0); 13353#L134-1 ~mode3~0 := 0; 13352#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 13350#L156 assume !(0 != ~mode4~0 % 256); 13349#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 13347#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 13346#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 13344#L181 assume !(0 != ~mode5~0 % 256); 13345#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 12706#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 12704#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 12700#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 12695#L209 assume !(node6_~m6~0 != ~nomsg~0); 12690#L209-1 ~mode6~0 := 0; 12687#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 12685#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 12684#L400 assume !(~r1~0 % 256 >= 6); 12682#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 11961#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 11962#L399-1 check_#res := check_~tmp~1; 13210#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 13206#L501 assume !(0 == assert_~arg % 256); 13201#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 13195#L80 assume !(0 != ~mode1~0 % 256); 13192#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 13183#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 13176#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 13172#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 13166#L109 assume !(node2_~m2~0 != ~nomsg~0); 13167#L109-1 ~mode2~0 := 0; 13324#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 13322#L131 assume !(0 != ~mode3~0 % 256); 13321#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 13319#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 13317#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 13312#L156 assume !(0 != ~mode4~0 % 256); 13313#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 13305#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 13303#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 13302#L181 assume !(0 != ~mode5~0 % 256); 11918#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 11919#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 13297#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 13295#L206 assume !(0 != ~mode6~0 % 256); 13294#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 13231#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 13230#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 13226#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 13221#L400 assume !(~r1~0 % 256 >= 6); 13222#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 13217#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 11958#L399-1 check_#res := check_~tmp~1; 11949#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 11946#L501 assume !(0 == assert_~arg % 256); 11943#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 11942#L80 assume !(0 != ~mode1~0 % 256); 11832#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 11921#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 11841#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 11842#L106 assume !(0 != ~mode2~0 % 256); 11929#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 11932#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 13359#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 13358#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 12722#L134 [2021-11-02 22:31:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:18,418 INFO L85 PathProgramCache]: Analyzing trace with hash -2076347588, now seen corresponding path program 1 times [2021-11-02 22:31:18,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:18,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305953472] [2021-11-02 22:31:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:18,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:18,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:18,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305953472] [2021-11-02 22:31:18,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305953472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:18,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:18,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:31:18,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203461118] [2021-11-02 22:31:18,459 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:31:18,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:18,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1091264727, now seen corresponding path program 1 times [2021-11-02 22:31:18,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:18,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867377095] [2021-11-02 22:31:18,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:18,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:18,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:18,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867377095] [2021-11-02 22:31:18,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867377095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:18,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:18,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:18,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942392972] [2021-11-02 22:31:18,519 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:18,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:18,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:18,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:18,520 INFO L87 Difference]: Start difference. First operand 1560 states and 2274 transitions. cyclomatic complexity: 716 Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:31:18,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:18,564 INFO L93 Difference]: Finished difference Result 808 states and 1165 transitions. [2021-11-02 22:31:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:18,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 808 states and 1165 transitions. [2021-11-02 22:31:18,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 752 [2021-11-02 22:31:18,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 808 states to 808 states and 1165 transitions. [2021-11-02 22:31:18,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 808 [2021-11-02 22:31:18,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 808 [2021-11-02 22:31:18,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 808 states and 1165 transitions. [2021-11-02 22:31:18,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:18,589 INFO L681 BuchiCegarLoop]: Abstraction has 808 states and 1165 transitions. [2021-11-02 22:31:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states and 1165 transitions. [2021-11-02 22:31:18,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 798. [2021-11-02 22:31:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 798 states have (on average 1.4461152882205515) internal successors, (1154), 797 states have internal predecessors, (1154), 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) [2021-11-02 22:31:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1154 transitions. [2021-11-02 22:31:18,616 INFO L704 BuchiCegarLoop]: Abstraction has 798 states and 1154 transitions. [2021-11-02 22:31:18,616 INFO L587 BuchiCegarLoop]: Abstraction has 798 states and 1154 transitions. [2021-11-02 22:31:18,616 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-02 22:31:18,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 798 states and 1154 transitions. [2021-11-02 22:31:18,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 752 [2021-11-02 22:31:18,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:18,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:18,625 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:18,625 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:18,625 INFO L791 eck$LassoCheckResult]: Stem: 14312#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 14236#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 14237#L230 assume 0 == ~r1~0 % 256; 14280#L231 assume ~id1~0 >= 0; 14287#L232 assume 0 == ~st1~0; 14267#L233 assume ~send1~0 == ~id1~0; 14268#L234 assume 0 == ~mode1~0 % 256; 14278#L235 assume ~id2~0 >= 0; 14259#L236 assume 0 == ~st2~0; 14260#L237 assume ~send2~0 == ~id2~0; 14222#L238 assume 0 == ~mode2~0 % 256; 14223#L239 assume ~id3~0 >= 0; 14220#L240 assume 0 == ~st3~0; 14221#L241 assume ~send3~0 == ~id3~0; 14225#L242 assume 0 == ~mode3~0 % 256; 14286#L243 assume ~id4~0 >= 0; 14201#L244 assume 0 == ~st4~0; 14202#L245 assume ~send4~0 == ~id4~0; 14224#L246 assume 0 == ~mode4~0 % 256; 14266#L247 assume ~id5~0 >= 0; 14300#L248 assume 0 == ~st5~0; 14197#L249 assume ~send5~0 == ~id5~0; 14198#L250 assume 0 == ~mode5~0 % 256; 14288#L251 assume ~id6~0 >= 0; 14246#L252 assume 0 == ~st6~0; 14247#L253 assume ~send6~0 == ~id6~0; 14254#L254 assume 0 == ~mode6~0 % 256; 14214#L255 assume ~id1~0 != ~id2~0; 14215#L256 assume ~id1~0 != ~id3~0; 14248#L257 assume ~id1~0 != ~id4~0; 14226#L258 assume ~id1~0 != ~id5~0; 14227#L259 assume ~id1~0 != ~id6~0; 14269#L260 assume ~id2~0 != ~id3~0; 14270#L261 assume ~id2~0 != ~id4~0; 14255#L262 assume ~id2~0 != ~id5~0; 14256#L263 assume ~id2~0 != ~id6~0; 14261#L264 assume ~id3~0 != ~id4~0; 14262#L265 assume ~id3~0 != ~id5~0; 14208#L266 assume ~id3~0 != ~id6~0; 14209#L267 assume ~id4~0 != ~id5~0; 14218#L268 assume ~id4~0 != ~id6~0; 14219#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 14263#L230-1 init_#res := init_~tmp~0; 14292#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 14243#L24 assume !(0 == assume_abort_if_not_~cond); 14210#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 14211#L496 [2021-11-02 22:31:18,626 INFO L793 eck$LassoCheckResult]: Loop: 14211#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 14206#L80 assume !(0 != ~mode1~0 % 256); 14207#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 14299#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 14216#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 14217#L106 assume !(0 != ~mode2~0 % 256); 14310#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 14240#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 14241#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 14249#L131 assume !(0 != ~mode3~0 % 256); 14727#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 14723#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 14720#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 14717#L156 assume !(0 != ~mode4~0 % 256); 14715#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 14663#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 14658#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 14653#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 14371#L184 assume !(node5_~m5~0 != ~nomsg~0); 14369#L184-1 ~mode5~0 := 0; 14627#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 14624#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 14625#L209 assume !(node6_~m6~0 != ~nomsg~0); 14615#L209-1 ~mode6~0 := 0; 14576#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 14574#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 14571#L400 assume !(~r1~0 % 256 >= 6); 14568#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 14565#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 14562#L399-1 check_#res := check_~tmp~1; 14560#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 14558#L501 assume !(0 == assert_~arg % 256); 14556#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 14552#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 14553#L84 assume !(node1_~m1~0 != ~nomsg~0); 14880#L84-1 ~mode1~0 := 0; 14954#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 14953#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 14951#L109 assume !(node2_~m2~0 != ~nomsg~0); 14806#L109-1 ~mode2~0 := 0; 14949#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 14948#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 14793#L134 assume !(node3_~m3~0 != ~nomsg~0); 14385#L134-1 ~mode3~0 := 0; 14382#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 14381#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 14379#L159 assume !(node4_~m4~0 != ~nomsg~0); 14376#L159-1 ~mode4~0 := 0; 14374#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 14372#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 14373#L184 assume !(node5_~m5~0 != ~nomsg~0); 14359#L184-1 ~mode5~0 := 0; 14356#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 14351#L206 assume !(0 != ~mode6~0 % 256); 14341#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 14342#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 14334#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 14335#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 14323#L400 assume !(~r1~0 % 256 >= 6); 14324#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 14347#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 14315#L399-1 check_#res := check_~tmp~1; 14195#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 14196#L501 assume !(0 == assert_~arg % 256); 14211#L496 [2021-11-02 22:31:18,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:18,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 9 times [2021-11-02 22:31:18,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:18,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464540545] [2021-11-02 22:31:18,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:18,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:18,643 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:18,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:18,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1038241727, now seen corresponding path program 1 times [2021-11-02 22:31:18,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:18,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675407415] [2021-11-02 22:31:18,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:18,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:18,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:18,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675407415] [2021-11-02 22:31:18,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675407415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:18,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:18,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:18,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822111538] [2021-11-02 22:31:18,741 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:18,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:18,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:18,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:18,742 INFO L87 Difference]: Start difference. First operand 798 states and 1154 transitions. cyclomatic complexity: 357 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:18,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:18,774 INFO L93 Difference]: Finished difference Result 1486 states and 2134 transitions. [2021-11-02 22:31:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:18,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1486 states and 2134 transitions. [2021-11-02 22:31:18,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1440 [2021-11-02 22:31:18,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1486 states to 1486 states and 2134 transitions. [2021-11-02 22:31:18,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1486 [2021-11-02 22:31:18,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1486 [2021-11-02 22:31:18,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1486 states and 2134 transitions. [2021-11-02 22:31:18,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:18,812 INFO L681 BuchiCegarLoop]: Abstraction has 1486 states and 2134 transitions. [2021-11-02 22:31:18,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states and 2134 transitions. [2021-11-02 22:31:18,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1454. [2021-11-02 22:31:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1454 states have (on average 1.434662998624484) internal successors, (2086), 1453 states have internal predecessors, (2086), 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) [2021-11-02 22:31:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2086 transitions. [2021-11-02 22:31:18,859 INFO L704 BuchiCegarLoop]: Abstraction has 1454 states and 2086 transitions. [2021-11-02 22:31:18,859 INFO L587 BuchiCegarLoop]: Abstraction has 1454 states and 2086 transitions. [2021-11-02 22:31:18,859 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-02 22:31:18,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1454 states and 2086 transitions. [2021-11-02 22:31:18,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1408 [2021-11-02 22:31:18,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:18,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:18,873 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:18,873 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:18,874 INFO L791 eck$LassoCheckResult]: Stem: 16604#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 16526#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 16527#L230 assume 0 == ~r1~0 % 256; 16569#L231 assume ~id1~0 >= 0; 16575#L232 assume 0 == ~st1~0; 16556#L233 assume ~send1~0 == ~id1~0; 16557#L234 assume 0 == ~mode1~0 % 256; 16567#L235 assume ~id2~0 >= 0; 16549#L236 assume 0 == ~st2~0; 16550#L237 assume ~send2~0 == ~id2~0; 16512#L238 assume 0 == ~mode2~0 % 256; 16513#L239 assume ~id3~0 >= 0; 16510#L240 assume 0 == ~st3~0; 16511#L241 assume ~send3~0 == ~id3~0; 16515#L242 assume 0 == ~mode3~0 % 256; 16574#L243 assume ~id4~0 >= 0; 16491#L244 assume 0 == ~st4~0; 16492#L245 assume ~send4~0 == ~id4~0; 16514#L246 assume 0 == ~mode4~0 % 256; 16555#L247 assume ~id5~0 >= 0; 16588#L248 assume 0 == ~st5~0; 16487#L249 assume ~send5~0 == ~id5~0; 16488#L250 assume 0 == ~mode5~0 % 256; 16576#L251 assume ~id6~0 >= 0; 16537#L252 assume 0 == ~st6~0; 16538#L253 assume ~send6~0 == ~id6~0; 16544#L254 assume 0 == ~mode6~0 % 256; 16504#L255 assume ~id1~0 != ~id2~0; 16505#L256 assume ~id1~0 != ~id3~0; 16539#L257 assume ~id1~0 != ~id4~0; 16516#L258 assume ~id1~0 != ~id5~0; 16517#L259 assume ~id1~0 != ~id6~0; 16558#L260 assume ~id2~0 != ~id3~0; 16559#L261 assume ~id2~0 != ~id4~0; 16545#L262 assume ~id2~0 != ~id5~0; 16546#L263 assume ~id2~0 != ~id6~0; 16551#L264 assume ~id3~0 != ~id4~0; 16552#L265 assume ~id3~0 != ~id5~0; 16498#L266 assume ~id3~0 != ~id6~0; 16499#L267 assume ~id4~0 != ~id5~0; 16508#L268 assume ~id4~0 != ~id6~0; 16509#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 16553#L230-1 init_#res := init_~tmp~0; 16580#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 16534#L24 assume !(0 == assume_abort_if_not_~cond); 16500#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 16501#L496 [2021-11-02 22:31:18,874 INFO L793 eck$LassoCheckResult]: Loop: 16501#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 17276#L80 assume !(0 != ~mode1~0 % 256); 16744#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 17273#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 17271#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 17269#L106 assume !(0 != ~mode2~0 % 256); 17268#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 17075#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 17265#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 17263#L131 assume !(0 != ~mode3~0 % 256); 17261#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 17259#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 17257#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 17256#L156 assume !(0 != ~mode4~0 % 256); 17248#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 17244#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 17242#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 17239#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 17235#L184 assume !(node5_~m5~0 != ~nomsg~0); 17231#L184-1 ~mode5~0 := 0; 17229#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 17227#L206 assume !(0 != ~mode6~0 % 256); 17219#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 17215#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 17213#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 17211#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 17208#L400 assume !(~r1~0 % 256 >= 6); 17209#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 17206#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 17207#L399-1 check_#res := check_~tmp~1; 17381#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 17379#L501 assume !(0 == assert_~arg % 256); 17377#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 17373#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 17374#L84 assume !(node1_~m1~0 != ~nomsg~0); 17195#L84-1 ~mode1~0 := 0; 17498#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 17495#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 17491#L109 assume !(node2_~m2~0 != ~nomsg~0); 16596#L109-1 ~mode2~0 := 0; 17930#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 17929#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 16606#L134 assume !(node3_~m3~0 != ~nomsg~0); 16535#L134-1 ~mode3~0 := 0; 16536#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 17938#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 17937#L159 assume !(node4_~m4~0 != ~nomsg~0); 17920#L159-1 ~mode4~0 := 0; 17932#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 17931#L181 assume !(0 != ~mode5~0 % 256); 16583#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 16584#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 17308#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 17304#L206 assume !(0 != ~mode6~0 % 256); 17297#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 17294#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 17292#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 17290#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 17288#L400 assume !(~r1~0 % 256 >= 6); 17287#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 17284#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 17282#L399-1 check_#res := check_~tmp~1; 17280#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 17278#L501 assume !(0 == assert_~arg % 256); 16501#L496 [2021-11-02 22:31:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 10 times [2021-11-02 22:31:18,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:18,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308809718] [2021-11-02 22:31:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:18,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:18,889 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:18,912 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:18,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:18,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1701861677, now seen corresponding path program 1 times [2021-11-02 22:31:18,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:18,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907613933] [2021-11-02 22:31:18,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:18,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:18,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:18,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907613933] [2021-11-02 22:31:18,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907613933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:18,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:18,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:18,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526384994] [2021-11-02 22:31:18,968 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:18,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:18,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:18,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:18,969 INFO L87 Difference]: Start difference. First operand 1454 states and 2086 transitions. cyclomatic complexity: 633 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:19,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:19,002 INFO L93 Difference]: Finished difference Result 2798 states and 3998 transitions. [2021-11-02 22:31:19,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:19,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2798 states and 3998 transitions. [2021-11-02 22:31:19,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2752 [2021-11-02 22:31:19,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2798 states to 2798 states and 3998 transitions. [2021-11-02 22:31:19,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2798 [2021-11-02 22:31:19,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2798 [2021-11-02 22:31:19,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2798 states and 3998 transitions. [2021-11-02 22:31:19,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:19,066 INFO L681 BuchiCegarLoop]: Abstraction has 2798 states and 3998 transitions. [2021-11-02 22:31:19,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states and 3998 transitions. [2021-11-02 22:31:19,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2670. [2021-11-02 22:31:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2670 states have (on average 1.4134831460674158) internal successors, (3774), 2669 states have internal predecessors, (3774), 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) [2021-11-02 22:31:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3774 transitions. [2021-11-02 22:31:19,134 INFO L704 BuchiCegarLoop]: Abstraction has 2670 states and 3774 transitions. [2021-11-02 22:31:19,135 INFO L587 BuchiCegarLoop]: Abstraction has 2670 states and 3774 transitions. [2021-11-02 22:31:19,135 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-02 22:31:19,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2670 states and 3774 transitions. [2021-11-02 22:31:19,147 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2624 [2021-11-02 22:31:19,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:19,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:19,149 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:19,150 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:19,150 INFO L791 eck$LassoCheckResult]: Stem: 20856#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 20783#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 20784#L230 assume 0 == ~r1~0 % 256; 20828#L231 assume ~id1~0 >= 0; 20834#L232 assume 0 == ~st1~0; 20814#L233 assume ~send1~0 == ~id1~0; 20815#L234 assume 0 == ~mode1~0 % 256; 20825#L235 assume ~id2~0 >= 0; 20807#L236 assume 0 == ~st2~0; 20808#L237 assume ~send2~0 == ~id2~0; 20770#L238 assume 0 == ~mode2~0 % 256; 20771#L239 assume ~id3~0 >= 0; 20768#L240 assume 0 == ~st3~0; 20769#L241 assume ~send3~0 == ~id3~0; 20773#L242 assume 0 == ~mode3~0 % 256; 20833#L243 assume ~id4~0 >= 0; 20749#L244 assume 0 == ~st4~0; 20750#L245 assume ~send4~0 == ~id4~0; 20772#L246 assume 0 == ~mode4~0 % 256; 20813#L247 assume ~id5~0 >= 0; 20848#L248 assume 0 == ~st5~0; 20745#L249 assume ~send5~0 == ~id5~0; 20746#L250 assume 0 == ~mode5~0 % 256; 20835#L251 assume ~id6~0 >= 0; 20794#L252 assume 0 == ~st6~0; 20795#L253 assume ~send6~0 == ~id6~0; 20802#L254 assume 0 == ~mode6~0 % 256; 20762#L255 assume ~id1~0 != ~id2~0; 20763#L256 assume ~id1~0 != ~id3~0; 20796#L257 assume ~id1~0 != ~id4~0; 20774#L258 assume ~id1~0 != ~id5~0; 20775#L259 assume ~id1~0 != ~id6~0; 20816#L260 assume ~id2~0 != ~id3~0; 20817#L261 assume ~id2~0 != ~id4~0; 20803#L262 assume ~id2~0 != ~id5~0; 20804#L263 assume ~id2~0 != ~id6~0; 20809#L264 assume ~id3~0 != ~id4~0; 20810#L265 assume ~id3~0 != ~id5~0; 20756#L266 assume ~id3~0 != ~id6~0; 20757#L267 assume ~id4~0 != ~id5~0; 20766#L268 assume ~id4~0 != ~id6~0; 20767#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 20811#L230-1 init_#res := init_~tmp~0; 20839#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 20791#L24 assume !(0 == assume_abort_if_not_~cond); 20758#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 20759#L496 [2021-11-02 22:31:19,150 INFO L793 eck$LassoCheckResult]: Loop: 20759#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 21168#L80 assume !(0 != ~mode1~0 % 256); 21164#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 21162#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 21160#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 21158#L106 assume !(0 != ~mode2~0 % 256); 21154#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 21155#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 21910#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 21909#L131 assume !(0 != ~mode3~0 % 256); 21908#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 21907#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 21906#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 21904#L156 assume !(0 != ~mode4~0 % 256); 21903#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 21125#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 21126#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 21117#L181 assume !(0 != ~mode5~0 % 256); 21118#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 22068#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 22066#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 22063#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 21081#L209 assume !(node6_~m6~0 != ~nomsg~0); 21025#L209-1 ~mode6~0 := 0; 21026#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 21019#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 21020#L400 assume !(~r1~0 % 256 >= 6); 21011#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 21012#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 21003#L399-1 check_#res := check_~tmp~1; 21004#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 20997#L501 assume !(0 == assert_~arg % 256); 20998#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 20989#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 20990#L84 assume !(node1_~m1~0 != ~nomsg~0); 22204#L84-1 ~mode1~0 := 0; 23090#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 23089#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 23087#L109 assume !(node2_~m2~0 != ~nomsg~0); 22196#L109-1 ~mode2~0 := 0; 23083#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 23081#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 23079#L134 assume !(node3_~m3~0 != ~nomsg~0); 22190#L134-1 ~mode3~0 := 0; 22952#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 22951#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 22944#L159 assume !(node4_~m4~0 != ~nomsg~0); 22183#L159-1 ~mode4~0 := 0; 22936#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 22934#L181 assume !(0 != ~mode5~0 % 256); 22933#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 22929#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 22928#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 22926#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 21222#L209 assume !(node6_~m6~0 != ~nomsg~0); 21214#L209-1 ~mode6~0 := 0; 21210#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 21206#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 21200#L400 assume !(~r1~0 % 256 >= 6); 21195#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 21189#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 21184#L399-1 check_#res := check_~tmp~1; 21180#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 21176#L501 assume !(0 == assert_~arg % 256); 20759#L496 [2021-11-02 22:31:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:19,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 11 times [2021-11-02 22:31:19,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:19,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476177666] [2021-11-02 22:31:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:19,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:19,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:19,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:19,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:19,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2145617865, now seen corresponding path program 1 times [2021-11-02 22:31:19,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:19,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054065113] [2021-11-02 22:31:19,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:19,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:19,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:19,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054065113] [2021-11-02 22:31:19,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054065113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:19,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:19,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:19,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951941430] [2021-11-02 22:31:19,247 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:19,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:19,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:19,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:19,249 INFO L87 Difference]: Start difference. First operand 2670 states and 3774 transitions. cyclomatic complexity: 1105 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:19,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:19,280 INFO L93 Difference]: Finished difference Result 2696 states and 3779 transitions. [2021-11-02 22:31:19,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:19,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2696 states and 3779 transitions. [2021-11-02 22:31:19,299 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2624 [2021-11-02 22:31:19,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2696 states to 2696 states and 3779 transitions. [2021-11-02 22:31:19,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2696 [2021-11-02 22:31:19,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2696 [2021-11-02 22:31:19,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2696 states and 3779 transitions. [2021-11-02 22:31:19,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:19,334 INFO L681 BuchiCegarLoop]: Abstraction has 2696 states and 3779 transitions. [2021-11-02 22:31:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states and 3779 transitions. [2021-11-02 22:31:19,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2692. [2021-11-02 22:31:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2692 states have (on average 1.401188707280832) internal successors, (3772), 2691 states have internal predecessors, (3772), 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) [2021-11-02 22:31:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3772 transitions. [2021-11-02 22:31:19,406 INFO L704 BuchiCegarLoop]: Abstraction has 2692 states and 3772 transitions. [2021-11-02 22:31:19,406 INFO L587 BuchiCegarLoop]: Abstraction has 2692 states and 3772 transitions. [2021-11-02 22:31:19,406 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-02 22:31:19,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2692 states and 3772 transitions. [2021-11-02 22:31:19,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2624 [2021-11-02 22:31:19,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:19,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:19,422 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 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] [2021-11-02 22:31:19,422 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:19,423 INFO L791 eck$LassoCheckResult]: Stem: 26231#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 26155#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 26156#L230 assume 0 == ~r1~0 % 256; 26203#L231 assume ~id1~0 >= 0; 26205#L232 assume 0 == ~st1~0; 26187#L233 assume ~send1~0 == ~id1~0; 26188#L234 assume 0 == ~mode1~0 % 256; 26198#L235 assume ~id2~0 >= 0; 26180#L236 assume 0 == ~st2~0; 26181#L237 assume ~send2~0 == ~id2~0; 26142#L238 assume 0 == ~mode2~0 % 256; 26143#L239 assume ~id3~0 >= 0; 26140#L240 assume 0 == ~st3~0; 26141#L241 assume ~send3~0 == ~id3~0; 26145#L242 assume 0 == ~mode3~0 % 256; 26204#L243 assume ~id4~0 >= 0; 26121#L244 assume 0 == ~st4~0; 26122#L245 assume ~send4~0 == ~id4~0; 26144#L246 assume 0 == ~mode4~0 % 256; 26186#L247 assume ~id5~0 >= 0; 26218#L248 assume 0 == ~st5~0; 26117#L249 assume ~send5~0 == ~id5~0; 26118#L250 assume 0 == ~mode5~0 % 256; 26206#L251 assume ~id6~0 >= 0; 26168#L252 assume 0 == ~st6~0; 26169#L253 assume ~send6~0 == ~id6~0; 26175#L254 assume 0 == ~mode6~0 % 256; 26134#L255 assume ~id1~0 != ~id2~0; 26135#L256 assume ~id1~0 != ~id3~0; 26170#L257 assume ~id1~0 != ~id4~0; 26146#L258 assume ~id1~0 != ~id5~0; 26147#L259 assume ~id1~0 != ~id6~0; 26189#L260 assume ~id2~0 != ~id3~0; 26190#L261 assume ~id2~0 != ~id4~0; 26176#L262 assume ~id2~0 != ~id5~0; 26177#L263 assume ~id2~0 != ~id6~0; 26182#L264 assume ~id3~0 != ~id4~0; 26183#L265 assume ~id3~0 != ~id5~0; 26128#L266 assume ~id3~0 != ~id6~0; 26129#L267 assume ~id4~0 != ~id5~0; 26138#L268 assume ~id4~0 != ~id6~0; 26139#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 26184#L230-1 init_#res := init_~tmp~0; 26209#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 26164#L24 assume !(0 == assume_abort_if_not_~cond); 26130#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 26131#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 28610#L80 assume !(0 != ~mode1~0 % 256); 28609#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 28608#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 28607#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 28606#L106 assume !(0 != ~mode2~0 % 256); 28605#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 28604#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 28603#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 28602#L131 assume !(0 != ~mode3~0 % 256); 28601#L144 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite9 := ~p3_new~0; 28600#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 28599#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 27589#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 27588#L159 assume !(node4_~m4~0 != ~nomsg~0); 27586#L159-1 ~mode4~0 := 0; 27068#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 27069#L181 assume !(0 != ~mode5~0 % 256); 26455#L194 [2021-11-02 22:31:19,423 INFO L793 eck$LassoCheckResult]: Loop: 26455#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 26451#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 26447#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 26442#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 26438#L209 assume !(node6_~m6~0 != ~nomsg~0); 26432#L209-1 ~mode6~0 := 0; 26430#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 26428#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 26426#L400 assume !(~r1~0 % 256 >= 6); 26424#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 26422#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 26420#L399-1 check_#res := check_~tmp~1; 26418#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 26416#L501 assume !(0 == assert_~arg % 256); 26414#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 26411#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 26407#L84 assume !(node1_~m1~0 != ~nomsg~0); 26402#L84-1 ~mode1~0 := 0; 26400#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 26398#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 26393#L109 assume !(node2_~m2~0 != ~nomsg~0); 26388#L109-1 ~mode2~0 := 0; 26386#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 26384#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 26379#L134 assume !(node3_~m3~0 != ~nomsg~0); 26374#L134-1 ~mode3~0 := 0; 26372#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 26369#L156 assume !(0 != ~mode4~0 % 256); 26363#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 26359#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 26357#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 26355#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 26352#L184 assume !(node5_~m5~0 != ~nomsg~0); 26347#L184-1 ~mode5~0 := 0; 26345#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 26341#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 26342#L209 assume !(node6_~m6~0 != ~nomsg~0); 27531#L209-1 ~mode6~0 := 0; 27529#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 27527#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 27523#L400 assume !(~r1~0 % 256 >= 6); 27524#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 27525#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 27604#L399-1 check_#res := check_~tmp~1; 27603#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 27602#L501 assume !(0 == assert_~arg % 256); 27601#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 27600#L80 assume !(0 != ~mode1~0 % 256); 27272#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 27599#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 27598#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 27597#L106 assume !(0 != ~mode2~0 % 256); 27596#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 26800#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 27595#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 27594#L131 assume !(0 != ~mode3~0 % 256); 27593#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 27592#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 27590#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 27591#L156 assume !(0 != ~mode4~0 % 256); 28545#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 27580#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 27581#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 26459#L181 assume !(0 != ~mode5~0 % 256); 26455#L194 [2021-11-02 22:31:19,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:19,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1473053134, now seen corresponding path program 1 times [2021-11-02 22:31:19,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:19,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327488567] [2021-11-02 22:31:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:19,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:19,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:19,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327488567] [2021-11-02 22:31:19,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327488567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:19,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:19,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:31:19,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946829950] [2021-11-02 22:31:19,558 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:31:19,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash 881259447, now seen corresponding path program 1 times [2021-11-02 22:31:19,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:19,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944612478] [2021-11-02 22:31:19,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:19,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:19,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:19,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944612478] [2021-11-02 22:31:19,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944612478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:19,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:19,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:31:19,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967268048] [2021-11-02 22:31:19,619 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:31:19,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:19,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:31:19,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:31:19,620 INFO L87 Difference]: Start difference. First operand 2692 states and 3772 transitions. cyclomatic complexity: 1082 Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-02 22:31:19,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:19,653 INFO L93 Difference]: Finished difference Result 2706 states and 3762 transitions. [2021-11-02 22:31:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:31:19,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2706 states and 3762 transitions. [2021-11-02 22:31:19,668 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 2624 [2021-11-02 22:31:19,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2706 states to 2706 states and 3762 transitions. [2021-11-02 22:31:19,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2706 [2021-11-02 22:31:19,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2706 [2021-11-02 22:31:19,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2706 states and 3762 transitions. [2021-11-02 22:31:19,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:31:19,700 INFO L681 BuchiCegarLoop]: Abstraction has 2706 states and 3762 transitions. [2021-11-02 22:31:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states and 3762 transitions. [2021-11-02 22:31:19,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2702. [2021-11-02 22:31:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 2702 states have (on average 1.390081421169504) internal successors, (3756), 2701 states have internal predecessors, (3756), 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) [2021-11-02 22:31:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3756 transitions. [2021-11-02 22:31:19,767 INFO L704 BuchiCegarLoop]: Abstraction has 2702 states and 3756 transitions. [2021-11-02 22:31:19,767 INFO L587 BuchiCegarLoop]: Abstraction has 2702 states and 3756 transitions. [2021-11-02 22:31:19,768 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-11-02 22:31:19,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2702 states and 3756 transitions. [2021-11-02 22:31:19,780 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 2624 [2021-11-02 22:31:19,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:31:19,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:31:19,782 INFO L842 BuchiCegarLoop]: Counterexample stem 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, 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] [2021-11-02 22:31:19,782 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:19,782 INFO L791 eck$LassoCheckResult]: Stem: 31636#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 31565#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 31566#L230 assume 0 == ~r1~0 % 256; 31608#L231 assume ~id1~0 >= 0; 31614#L232 assume 0 == ~st1~0; 31596#L233 assume ~send1~0 == ~id1~0; 31597#L234 assume 0 == ~mode1~0 % 256; 31606#L235 assume ~id2~0 >= 0; 31589#L236 assume 0 == ~st2~0; 31590#L237 assume ~send2~0 == ~id2~0; 31552#L238 assume 0 == ~mode2~0 % 256; 31553#L239 assume ~id3~0 >= 0; 31550#L240 assume 0 == ~st3~0; 31551#L241 assume ~send3~0 == ~id3~0; 31555#L242 assume 0 == ~mode3~0 % 256; 31613#L243 assume ~id4~0 >= 0; 31531#L244 assume 0 == ~st4~0; 31532#L245 assume ~send4~0 == ~id4~0; 31554#L246 assume 0 == ~mode4~0 % 256; 31595#L247 assume ~id5~0 >= 0; 31627#L248 assume 0 == ~st5~0; 31527#L249 assume ~send5~0 == ~id5~0; 31528#L250 assume 0 == ~mode5~0 % 256; 31615#L251 assume ~id6~0 >= 0; 31577#L252 assume 0 == ~st6~0; 31578#L253 assume ~send6~0 == ~id6~0; 31584#L254 assume 0 == ~mode6~0 % 256; 31544#L255 assume ~id1~0 != ~id2~0; 31545#L256 assume ~id1~0 != ~id3~0; 31579#L257 assume ~id1~0 != ~id4~0; 31556#L258 assume ~id1~0 != ~id5~0; 31557#L259 assume ~id1~0 != ~id6~0; 31598#L260 assume ~id2~0 != ~id3~0; 31599#L261 assume ~id2~0 != ~id4~0; 31585#L262 assume ~id2~0 != ~id5~0; 31586#L263 assume ~id2~0 != ~id6~0; 31591#L264 assume ~id3~0 != ~id4~0; 31592#L265 assume ~id3~0 != ~id5~0; 31538#L266 assume ~id3~0 != ~id6~0; 31539#L267 assume ~id4~0 != ~id5~0; 31548#L268 assume ~id4~0 != ~id6~0; 31549#L269 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 31593#L230-1 init_#res := init_~tmp~0; 31619#L391 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 31574#L24 assume !(0 == assume_abort_if_not_~cond); 31540#L23 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 31541#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 32200#L80 assume !(0 != ~mode1~0 % 256); 32196#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 32192#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 32123#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 32120#L106 assume !(0 != ~mode2~0 % 256); 32118#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 32116#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 32112#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 32110#L131 assume !(0 != ~mode3~0 % 256); 32108#L144 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite9 := ~p3_new~0; 32106#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 32102#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 32099#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 32100#L159 assume !(node4_~m4~0 != ~nomsg~0); 32093#L159-1 ~mode4~0 := 0; 32090#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 32085#L181 assume !(0 != ~mode5~0 % 256); 32083#L194 assume !(~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0);node5_#t~ite11 := ~p5_new~0; 32081#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 32079#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 32076#L206 assume !(0 != ~mode6~0 % 256); 31950#L219 [2021-11-02 22:31:19,783 INFO L793 eck$LassoCheckResult]: Loop: 31950#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 31919#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 31909#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 31904#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 31898#L400 assume !(~r1~0 % 256 >= 6); 31895#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 31890#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 31887#L399-1 check_#res := check_~tmp~1; 31854#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 31851#L501 assume !(0 == assert_~arg % 256); 31850#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 31847#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 31844#L84 assume !(node1_~m1~0 != ~nomsg~0); 31840#L84-1 ~mode1~0 := 0; 31838#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 31837#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 31834#L109 assume !(node2_~m2~0 != ~nomsg~0); 31814#L109-1 ~mode2~0 := 0; 31809#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 31806#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 31801#L134 assume !(node3_~m3~0 != ~nomsg~0); 31794#L134-1 ~mode3~0 := 0; 31796#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 31790#L156 assume !(0 != ~mode4~0 % 256); 31777#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 31772#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 31767#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 31765#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 31762#L184 assume !(node5_~m5~0 != ~nomsg~0); 31757#L184-1 ~mode5~0 := 0; 31755#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 31753#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 31750#L209 assume !(node6_~m6~0 != ~nomsg~0); 31745#L209-1 ~mode6~0 := 0; 31743#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 31741#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 31739#L400 assume !(~r1~0 % 256 >= 6); 31737#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 31734#L404 assume ~r1~0 % 256 < 6;check_~tmp~1 := 1; 31732#L399-1 check_#res := check_~tmp~1; 31729#L419 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 31730#L501 assume !(0 == assert_~arg % 256); 32001#L496 assume !false;havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 31718#L80 assume !(0 != ~mode1~0 % 256); 31719#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite7 := ~p1_new~0; 31709#L94-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 31710#L80-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 31702#L106 assume !(0 != ~mode2~0 % 256); 31695#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 31696#L119-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 32149#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 32146#L131 assume !(0 != ~mode3~0 % 256); 32144#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 32143#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 32142#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 32141#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 32139#L159 assume !(node4_~m4~0 != ~nomsg~0); 32136#L159-1 ~mode4~0 := 0; 32134#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 32133#L181 assume !(0 != ~mode5~0 % 256); 32129#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 32128#L194-2 ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 32126#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 32075#L206 assume !(0 != ~mode6~0 % 256); 31950#L219 [2021-11-02 22:31:19,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:19,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1014942649, now seen corresponding path program 1 times [2021-11-02 22:31:19,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:19,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383988119] [2021-11-02 22:31:19,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:19,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:31:19,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:19,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383988119] [2021-11-02 22:31:19,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383988119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:19,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:19,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:31:19,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745075008] [2021-11-02 22:31:19,878 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:31:19,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:19,878 INFO L85 PathProgramCache]: Analyzing trace with hash -477583689, now seen corresponding path program 1 times [2021-11-02 22:31:19,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:19,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298946191] [2021-11-02 22:31:19,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:19,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:19,909 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:31:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:31:19,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:31:23,992 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:31:23,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:31:23,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:31:23,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:31:23,992 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:31:23,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:31:23,992 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:31:23,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:31:23,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration17_Loop [2021-11-02 22:31:23,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:31:23,993 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:31:23,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:24,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:31:25,567 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2021-11-02 22:31:34,018 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 131072 conjuctions. This might take some time...