./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer --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 375e158327910cae8c3594f7d2ad0376509a1ecb 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Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:27:41,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:27:41,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:27:41,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:27:41,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:27:41,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:27:41,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:27:41,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:27:41,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:27:41,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:27:41,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:27:41,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:27:41,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:27:41,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:27:41,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:27:41,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:27:41,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:27:41,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:27:41,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:27:41,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:27:41,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:27:41,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:27:41,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:27:41,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:27:41,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:27:41,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:27:41,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:27:41,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:27:41,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:27:41,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:27:41,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:27:41,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:27:41,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:27:41,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:27:41,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:27:41,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:27:41,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:27:41,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:27:41,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:27:41,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:27:41,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:27:41,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:27:41,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:27:41,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:27:41,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:27:41,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:27:41,220 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:27:41,220 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:27:41,220 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:27:41,220 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:27:41,220 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:27:41,220 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:27:41,220 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:27:41,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:27:41,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:27:41,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:27:41,222 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:27:41,222 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:27:41,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:27:41,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:27:41,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:27:41,222 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:27:41,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:27:41,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:27:41,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:27:41,223 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:27:41,223 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:27:41,224 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer 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 -> 375e158327910cae8c3594f7d2ad0376509a1ecb [2019-12-07 18:27:41,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:27:41,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:27:41,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:27:41,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:27:41,333 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:27:41,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-12-07 18:27:41,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/data/11734b4c0/8eac84309227437ea4597f00a42ff06a/FLAG585d257a9 [2019-12-07 18:27:41,788 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:27:41,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-12-07 18:27:41,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/data/11734b4c0/8eac84309227437ea4597f00a42ff06a/FLAG585d257a9 [2019-12-07 18:27:41,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/data/11734b4c0/8eac84309227437ea4597f00a42ff06a [2019-12-07 18:27:41,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:27:41,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:27:41,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:27:41,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:27:41,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:27:41,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:27:41" (1/1) ... [2019-12-07 18:27:41,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553f46bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:41, skipping insertion in model container [2019-12-07 18:27:41,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:27:41" (1/1) ... [2019-12-07 18:27:41,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:27:41,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:27:41,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:27:41,979 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:27:42,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:27:42,012 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:27:42,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42 WrapperNode [2019-12-07 18:27:42,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:27:42,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:27:42,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:27:42,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:27:42,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:27:42,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:27:42,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:27:42,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:27:42,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... [2019-12-07 18:27:42,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:27:42,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:27:42,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:27:42,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:27:42,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:27:42,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:27:42,306 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:27:42,306 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 18:27:42,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:27:42 BoogieIcfgContainer [2019-12-07 18:27:42,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:27:42,308 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:27:42,308 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:27:42,311 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:27:42,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:27:42,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:27:41" (1/3) ... [2019-12-07 18:27:42,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34ecabf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:27:42, skipping insertion in model container [2019-12-07 18:27:42,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:27:42,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:27:42" (2/3) ... [2019-12-07 18:27:42,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34ecabf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:27:42, skipping insertion in model container [2019-12-07 18:27:42,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:27:42,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:27:42" (3/3) ... [2019-12-07 18:27:42,315 INFO L371 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2019-12-07 18:27:42,342 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:27:42,342 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:27:42,343 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:27:42,343 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:27:42,343 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:27:42,343 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:27:42,343 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:27:42,343 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:27:42,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-12-07 18:27:42,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2019-12-07 18:27:42,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,376 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:27:42,377 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,377 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:27:42,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-12-07 18:27:42,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2019-12-07 18:27:42,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,381 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:27:42,381 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,386 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 8#L-1true havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 75#L346true havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 77#L196true assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2; 74#L196-2true assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 61#L313-1true [2019-12-07 18:27:42,386 INFO L796 eck$LassoCheckResult]: Loop: 61#L313-1true assume !false; 22#L314true start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 64#L262true assume false; 37#L278true havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 69#L214-1true assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 14#L226-1true exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 42#L227-1true stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 23#L292true assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 12#L299true stop_simulation_#res := stop_simulation_~__retres2~0; 39#L300true start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 67#L320true assume !(0 != start_simulation_~tmp~3); 61#L313-1true [2019-12-07 18:27:42,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,390 INFO L82 PathProgramCache]: Analyzing trace with hash 28692871, now seen corresponding path program 1 times [2019-12-07 18:27:42,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073302343] [2019-12-07 18:27:42,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073302343] [2019-12-07 18:27:42,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:27:42,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003430429] [2019-12-07 18:27:42,490 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:27:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,490 INFO L82 PathProgramCache]: Analyzing trace with hash -778318386, now seen corresponding path program 1 times [2019-12-07 18:27:42,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710081670] [2019-12-07 18:27:42,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710081670] [2019-12-07 18:27:42,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:27:42,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516017165] [2019-12-07 18:27:42,498 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:42,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:42,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:42,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:42,511 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2019-12-07 18:27:42,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:42,530 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2019-12-07 18:27:42,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:42,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 103 transitions. [2019-12-07 18:27:42,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-12-07 18:27:42,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 96 transitions. [2019-12-07 18:27:42,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2019-12-07 18:27:42,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2019-12-07 18:27:42,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 96 transitions. [2019-12-07 18:27:42,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:42,542 INFO L688 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-12-07 18:27:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 96 transitions. [2019-12-07 18:27:42,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-12-07 18:27:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 18:27:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-12-07 18:27:42,563 INFO L711 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-12-07 18:27:42,563 INFO L591 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-12-07 18:27:42,563 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:27:42,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 96 transitions. [2019-12-07 18:27:42,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-12-07 18:27:42,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,565 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:27:42,565 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,565 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 169#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 170#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 226#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 225#L196-2 assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 222#L313-1 [2019-12-07 18:27:42,565 INFO L796 eck$LassoCheckResult]: Loop: 222#L313-1 assume !false; 191#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 174#L262 assume !false; 213#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 214#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 185#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 186#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 199#L242 assume !(0 != eval_~tmp___1~0); 200#L278 havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 206#L214-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 183#L226-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 184#L227-1 stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 192#L292 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 179#L299 stop_simulation_#res := stop_simulation_~__retres2~0; 180#L300 start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 210#L320 assume !(0 != start_simulation_~tmp~3); 222#L313-1 [2019-12-07 18:27:42,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,566 INFO L82 PathProgramCache]: Analyzing trace with hash 28692809, now seen corresponding path program 1 times [2019-12-07 18:27:42,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67534115] [2019-12-07 18:27:42,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67534115] [2019-12-07 18:27:42,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:27:42,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254675155] [2019-12-07 18:27:42,584 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:27:42,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,584 INFO L82 PathProgramCache]: Analyzing trace with hash -852169887, now seen corresponding path program 1 times [2019-12-07 18:27:42,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900648511] [2019-12-07 18:27:42,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900648511] [2019-12-07 18:27:42,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:27:42,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60668562] [2019-12-07 18:27:42,612 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:42,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:42,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:42,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:42,613 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. cyclomatic complexity: 29 Second operand 3 states. [2019-12-07 18:27:42,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:42,620 INFO L93 Difference]: Finished difference Result 68 states and 95 transitions. [2019-12-07 18:27:42,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:42,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 95 transitions. [2019-12-07 18:27:42,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-12-07 18:27:42,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 95 transitions. [2019-12-07 18:27:42,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2019-12-07 18:27:42,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2019-12-07 18:27:42,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 95 transitions. [2019-12-07 18:27:42,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:42,624 INFO L688 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2019-12-07 18:27:42,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 95 transitions. [2019-12-07 18:27:42,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-12-07 18:27:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 18:27:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 95 transitions. [2019-12-07 18:27:42,628 INFO L711 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2019-12-07 18:27:42,628 INFO L591 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2019-12-07 18:27:42,628 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:27:42,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 95 transitions. [2019-12-07 18:27:42,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2019-12-07 18:27:42,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,630 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:27:42,630 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,630 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 314#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 315#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 371#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 370#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 367#L313-1 [2019-12-07 18:27:42,630 INFO L796 eck$LassoCheckResult]: Loop: 367#L313-1 assume !false; 336#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 319#L262 assume !false; 358#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 359#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 330#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 331#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 344#L242 assume !(0 != eval_~tmp___1~0); 345#L278 havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 351#L214-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 328#L226-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 329#L227-1 stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 337#L292 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 324#L299 stop_simulation_#res := stop_simulation_~__retres2~0; 325#L300 start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 352#L320 assume !(0 != start_simulation_~tmp~3); 367#L313-1 [2019-12-07 18:27:42,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,630 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 1 times [2019-12-07 18:27:42,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448879247] [2019-12-07 18:27:42,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,655 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:42,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,656 INFO L82 PathProgramCache]: Analyzing trace with hash -852169887, now seen corresponding path program 2 times [2019-12-07 18:27:42,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123722524] [2019-12-07 18:27:42,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123722524] [2019-12-07 18:27:42,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:27:42,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961152209] [2019-12-07 18:27:42,677 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:42,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:42,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:27:42,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:27:42,678 INFO L87 Difference]: Start difference. First operand 68 states and 95 transitions. cyclomatic complexity: 28 Second operand 5 states. [2019-12-07 18:27:42,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:42,740 INFO L93 Difference]: Finished difference Result 134 states and 185 transitions. [2019-12-07 18:27:42,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:27:42,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 134 states and 185 transitions. [2019-12-07 18:27:42,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 129 [2019-12-07 18:27:42,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 134 states to 134 states and 185 transitions. [2019-12-07 18:27:42,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2019-12-07 18:27:42,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2019-12-07 18:27:42,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 185 transitions. [2019-12-07 18:27:42,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:42,746 INFO L688 BuchiCegarLoop]: Abstraction has 134 states and 185 transitions. [2019-12-07 18:27:42,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 185 transitions. [2019-12-07 18:27:42,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 71. [2019-12-07 18:27:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 18:27:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2019-12-07 18:27:42,751 INFO L711 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2019-12-07 18:27:42,751 INFO L591 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2019-12-07 18:27:42,751 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:27:42,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 98 transitions. [2019-12-07 18:27:42,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2019-12-07 18:27:42,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,752 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:27:42,753 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,753 INFO L794 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 532#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 533#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 591#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 590#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 587#L313-1 [2019-12-07 18:27:42,753 INFO L796 eck$LassoCheckResult]: Loop: 587#L313-1 assume !false; 554#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 535#L262 assume !false; 577#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 578#L214 assume !(0 == ~p_dw_st~0); 585#L218 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2 := 0; 548#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 549#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 592#L242 assume !(0 != eval_~tmp___1~0); 568#L278 havoc stop_simulation_#res;havoc stop_simulation_#t~ret6, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 569#L214-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 546#L226-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 547#L227-1 stop_simulation_#t~ret6 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret6;havoc stop_simulation_#t~ret6; 555#L292 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 542#L299 stop_simulation_#res := stop_simulation_~__retres2~0; 543#L300 start_simulation_#t~ret7 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret7;havoc start_simulation_#t~ret7; 572#L320 assume !(0 != start_simulation_~tmp~3); 587#L313-1 [2019-12-07 18:27:42,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,753 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 2 times [2019-12-07 18:27:42,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001385890] [2019-12-07 18:27:42,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:42,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,768 INFO L82 PathProgramCache]: Analyzing trace with hash 6171900, now seen corresponding path program 1 times [2019-12-07 18:27:42,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711440375] [2019-12-07 18:27:42,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711440375] [2019-12-07 18:27:42,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:27:42,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102872054] [2019-12-07 18:27:42,784 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:42,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:42,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:42,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:42,785 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. cyclomatic complexity: 28 Second operand 3 states. [2019-12-07 18:27:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:42,804 INFO L93 Difference]: Finished difference Result 116 states and 156 transitions. [2019-12-07 18:27:42,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:42,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 156 transitions. [2019-12-07 18:27:42,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2019-12-07 18:27:42,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 156 transitions. [2019-12-07 18:27:42,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-12-07 18:27:42,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-12-07 18:27:42,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 156 transitions. [2019-12-07 18:27:42,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:42,808 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2019-12-07 18:27:42,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 156 transitions. [2019-12-07 18:27:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2019-12-07 18:27:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-12-07 18:27:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 132 transitions. [2019-12-07 18:27:42,815 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2019-12-07 18:27:42,815 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2019-12-07 18:27:42,815 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:27:42,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 132 transitions. [2019-12-07 18:27:42,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2019-12-07 18:27:42,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,817 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,817 INFO L850 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] [2019-12-07 18:27:42,817 INFO L794 eck$LassoCheckResult]: Stem: 761#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 725#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 726#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 792#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 790#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 791#L313-1 assume !false; 803#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 801#L262 [2019-12-07 18:27:42,818 INFO L796 eck$LassoCheckResult]: Loop: 801#L262 assume !false; 800#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 799#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 798#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 797#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 796#L242 assume 0 != eval_~tmp___1~0; 795#L242-1 assume !(0 == ~p_dw_st~0); 754#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 727#L266 assume 0 != eval_~tmp___0~1;~c_dr_st~0 := 1;havoc do_read_c_~a~0;havoc do_read_c_~a~0; 729#L139 assume !(0 == ~c_dr_pc~0); 744#L142 assume 1 == ~c_dr_pc~0; 745#L143 do_read_c_~a~0 := ~a_t~0; 750#L152-1 do_read_c_~a~0 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 784#L32-3 assume !(1 == ~p_dw_pc~0); 785#L32-5 is_do_write_p_triggered_~__retres1~0 := 0; 813#L43-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 812#L44-1 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 811#L74-3 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 756#L74-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 715#L51-3 assume 1 == ~c_dr_pc~0; 716#L52-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 810#L62-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 809#L63-1 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 808#L82-3 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 807#L82-5 ~q_read_ev~0 := 2; 806#L172 assume ~p_last_write~0 == ~c_last_read~0; 805#L173 assume ~p_num_write~0 == ~c_num_read~0; 804#L10-2 assume !false; 802#L151 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0; 801#L262 [2019-12-07 18:27:42,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 1 times [2019-12-07 18:27:42,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072364630] [2019-12-07 18:27:42,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,832 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:42,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1836630604, now seen corresponding path program 1 times [2019-12-07 18:27:42,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977450192] [2019-12-07 18:27:42,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977450192] [2019-12-07 18:27:42,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:27:42,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568101937] [2019-12-07 18:27:42,848 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:42,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:42,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:42,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:42,848 INFO L87 Difference]: Start difference. First operand 99 states and 132 transitions. cyclomatic complexity: 34 Second operand 3 states. [2019-12-07 18:27:42,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:42,862 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2019-12-07 18:27:42,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:42,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 154 transitions. [2019-12-07 18:27:42,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2019-12-07 18:27:42,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 154 transitions. [2019-12-07 18:27:42,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-12-07 18:27:42,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-12-07 18:27:42,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 154 transitions. [2019-12-07 18:27:42,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:42,867 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 154 transitions. [2019-12-07 18:27:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 154 transitions. [2019-12-07 18:27:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2019-12-07 18:27:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-12-07 18:27:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 130 transitions. [2019-12-07 18:27:42,871 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2019-12-07 18:27:42,871 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2019-12-07 18:27:42,871 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 18:27:42,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 130 transitions. [2019-12-07 18:27:42,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2019-12-07 18:27:42,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,872 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,872 INFO L850 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, 1] [2019-12-07 18:27:42,872 INFO L794 eck$LassoCheckResult]: Stem: 980#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 946#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 947#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1014#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1013#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1003#L313-1 assume !false; 968#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 969#L262 [2019-12-07 18:27:42,873 INFO L796 eck$LassoCheckResult]: Loop: 969#L262 assume !false; 992#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 993#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1011#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1021#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1020#L242 assume 0 != eval_~tmp___1~0; 1018#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1004#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 998#L96 assume 0 == ~p_dw_pc~0; 991#L107-1 assume !false; 997#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 974#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 948#L266 assume 0 != eval_~tmp___0~1;~c_dr_st~0 := 1;havoc do_read_c_~a~0;havoc do_read_c_~a~0; 950#L139 assume !(0 == ~c_dr_pc~0); 965#L142 assume 1 == ~c_dr_pc~0; 966#L143 do_read_c_~a~0 := ~a_t~0; 971#L152-1 do_read_c_~a~0 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1005#L32-3 assume !(1 == ~p_dw_pc~0); 1006#L32-5 is_do_write_p_triggered_~__retres1~0 := 0; 1034#L43-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 983#L44-1 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 975#L74-3 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 976#L74-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1032#L51-3 assume 1 == ~c_dr_pc~0; 1030#L52-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 1029#L62-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1028#L63-1 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 1027#L82-3 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1026#L82-5 ~q_read_ev~0 := 2; 1025#L172 assume ~p_last_write~0 == ~c_last_read~0; 1024#L173 assume ~p_num_write~0 == ~c_num_read~0; 1008#L10-2 assume !false; 999#L151 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0; 969#L262 [2019-12-07 18:27:42,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 2 times [2019-12-07 18:27:42,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765360553] [2019-12-07 18:27:42,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,882 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:42,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,882 INFO L82 PathProgramCache]: Analyzing trace with hash 331104409, now seen corresponding path program 1 times [2019-12-07 18:27:42,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441443012] [2019-12-07 18:27:42,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441443012] [2019-12-07 18:27:42,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:27:42,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583865008] [2019-12-07 18:27:42,899 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:42,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:42,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:42,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:42,899 INFO L87 Difference]: Start difference. First operand 99 states and 130 transitions. cyclomatic complexity: 32 Second operand 3 states. [2019-12-07 18:27:42,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:42,915 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2019-12-07 18:27:42,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:42,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2019-12-07 18:27:42,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2019-12-07 18:27:42,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 159 transitions. [2019-12-07 18:27:42,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-12-07 18:27:42,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-12-07 18:27:42,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 159 transitions. [2019-12-07 18:27:42,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:42,920 INFO L688 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2019-12-07 18:27:42,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 159 transitions. [2019-12-07 18:27:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 18:27:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 18:27:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 159 transitions. [2019-12-07 18:27:42,925 INFO L711 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2019-12-07 18:27:42,925 INFO L591 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2019-12-07 18:27:42,925 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 18:27:42,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 159 transitions. [2019-12-07 18:27:42,926 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2019-12-07 18:27:42,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:42,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:42,927 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,927 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:42,928 INFO L794 eck$LassoCheckResult]: Stem: 1211#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1176#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1177#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1250#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1249#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1242#L313-1 assume !false; 1199#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 1200#L262 assume !false; 1266#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1265#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1264#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1263#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1207#L242 assume 0 != eval_~tmp___1~0; 1204#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1205#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 1243#L96 assume 0 == ~p_dw_pc~0; 1231#L107-1 [2019-12-07 18:27:42,928 INFO L796 eck$LassoCheckResult]: Loop: 1231#L107-1 assume !false; 1233#L108 assume !(0 == ~q_free~0); 1193#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1194#L32 assume !(1 == ~p_dw_pc~0); 1246#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 1185#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1186#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 1219#L74 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 1208#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1173#L51 assume !(1 == ~c_dr_pc~0); 1169#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 1170#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1175#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 1232#L82 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1230#L82-2 ~q_write_ev~0 := 2; 1231#L107-1 [2019-12-07 18:27:42,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 1 times [2019-12-07 18:27:42,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617467845] [2019-12-07 18:27:42,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:42,943 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:42,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:42,943 INFO L82 PathProgramCache]: Analyzing trace with hash -62972986, now seen corresponding path program 1 times [2019-12-07 18:27:42,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:42,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195870082] [2019-12-07 18:27:42,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:42,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195870082] [2019-12-07 18:27:42,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:42,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:27:42,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118979265] [2019-12-07 18:27:42,974 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:42,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:42,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:27:42,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:27:42,975 INFO L87 Difference]: Start difference. First operand 125 states and 159 transitions. cyclomatic complexity: 36 Second operand 5 states. [2019-12-07 18:27:43,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:43,027 INFO L93 Difference]: Finished difference Result 275 states and 346 transitions. [2019-12-07 18:27:43,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:27:43,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 346 transitions. [2019-12-07 18:27:43,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 255 [2019-12-07 18:27:43,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 275 states and 346 transitions. [2019-12-07 18:27:43,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2019-12-07 18:27:43,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2019-12-07 18:27:43,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 346 transitions. [2019-12-07 18:27:43,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:43,035 INFO L688 BuchiCegarLoop]: Abstraction has 275 states and 346 transitions. [2019-12-07 18:27:43,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 346 transitions. [2019-12-07 18:27:43,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 134. [2019-12-07 18:27:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-12-07 18:27:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 167 transitions. [2019-12-07 18:27:43,040 INFO L711 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2019-12-07 18:27:43,041 INFO L591 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2019-12-07 18:27:43,041 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 18:27:43,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 167 transitions. [2019-12-07 18:27:43,042 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2019-12-07 18:27:43,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:43,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:43,043 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:43,043 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:43,043 INFO L794 eck$LassoCheckResult]: Stem: 1621#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1589#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1590#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1659#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1657#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1658#L313-1 assume !false; 1690#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 1689#L262 assume !false; 1688#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1687#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1686#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1685#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1684#L242 assume 0 != eval_~tmp___1~0; 1683#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1682#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 1680#L96 assume 0 == ~p_dw_pc~0; 1642#L107-1 [2019-12-07 18:27:43,043 INFO L796 eck$LassoCheckResult]: Loop: 1642#L107-1 assume !false; 1644#L108 assume !(0 == ~q_free~0); 1606#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1607#L32 assume !(1 == ~p_dw_pc~0); 1653#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 1598#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1599#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 1633#L74 assume !(0 != immediate_notify_threads_~tmp~0); 1619#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1586#L51 assume 1 == ~c_dr_pc~0; 1587#L52 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 1583#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1588#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 1643#L82 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1641#L82-2 ~q_write_ev~0 := 2; 1642#L107-1 [2019-12-07 18:27:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:43,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 2 times [2019-12-07 18:27:43,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:43,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819421389] [2019-12-07 18:27:43,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:43,056 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:43,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:43,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1078264795, now seen corresponding path program 1 times [2019-12-07 18:27:43,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:43,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975519783] [2019-12-07 18:27:43,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:43,066 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:43,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:43,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1917816028, now seen corresponding path program 1 times [2019-12-07 18:27:43,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:43,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635796373] [2019-12-07 18:27:43,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:43,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635796373] [2019-12-07 18:27:43,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:43,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:27:43,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901060741] [2019-12-07 18:27:43,183 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:27:43,183 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:27:43,183 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:27:43,183 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:27:43,184 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:27:43,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:27:43,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:27:43,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration8_Loop [2019-12-07 18:27:43,184 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:27:43,184 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:27:43,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,339 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:27:43,340 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:43,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:43,352 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:27:43,353 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_read_c_triggered_#res=1, ULTIMATE.start_immediate_notify_threads_~tmp___0~0=1, ULTIMATE.start_is_do_read_c_triggered_~__retres1~1=1} Honda state: {ULTIMATE.start_is_do_read_c_triggered_#res=1, ULTIMATE.start_immediate_notify_threads_~tmp___0~0=1, ULTIMATE.start_is_do_read_c_triggered_~__retres1~1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:43,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:43,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:27:43,361 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_write_p_triggered_#res=0, ULTIMATE.start_is_do_write_p_triggered_~__retres1~0=0} Honda state: {ULTIMATE.start_is_do_write_p_triggered_#res=0, ULTIMATE.start_is_do_write_p_triggered_~__retres1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:43,367 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:27:43,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:43,389 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:27:43,390 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:27:43,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:27:43,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:27:43,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:27:43,391 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:27:43,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:27:43,391 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:27:43,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration8_Loop [2019-12-07 18:27:43,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:27:43,391 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:27:43,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:43,546 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:27:43,549 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,564 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,565 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,582 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,583 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:43,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:43,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:43,651 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,655 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,656 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,662 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,663 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:43,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,673 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,674 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,682 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,682 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:43,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,691 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,691 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,702 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,703 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,710 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,711 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,719 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,720 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,727 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,728 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,735 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,735 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,743 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,744 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,751 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,752 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:43,754 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,759 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,766 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,766 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,768 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:43,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,776 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,777 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,786 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,786 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,787 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:43,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,794 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,794 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,804 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,805 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,813 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,822 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,822 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,830 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,831 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,838 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,839 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,849 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,850 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,858 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:43,859 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:43,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:43,863 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,867 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,868 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,875 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,875 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,877 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:43,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,887 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,887 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,895 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,895 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,896 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:43,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,904 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,904 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,911 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,912 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,922 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,923 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,933 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,934 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,944 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,944 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,953 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,953 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,962 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,963 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:43,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,971 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:43,972 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:43,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:43,975 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,982 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:43,982 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:43,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:43,982 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,983 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:43,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:43,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:43,990 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:43,990 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:43,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:43,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:43,991 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:43,991 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:43,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:43,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:43,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,002 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,002 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,002 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,003 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,010 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,010 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,011 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,011 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,021 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,021 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,022 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,022 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,029 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,029 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,030 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,031 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,039 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,039 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,040 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,052 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,052 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,053 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,053 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,061 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,061 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,062 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,062 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,069 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,070 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,070 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,079 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,079 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,080 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,098 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,099 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:44,100 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:44,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:44,105 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,109 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,110 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,120 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,120 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,123 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:44,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,137 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,137 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,138 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,147 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,147 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,147 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,148 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:44,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,159 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,159 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,159 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,167 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,168 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,169 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,176 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,176 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,178 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,189 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,190 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,190 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,191 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,199 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,200 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,200 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,208 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,209 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,210 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,220 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,220 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,220 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,230 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:44,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,231 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,232 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:44,237 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,241 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,241 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,242 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,243 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,251 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,251 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,252 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,254 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:44,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,268 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,268 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,269 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,281 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,281 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,281 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,282 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:44,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,294 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,295 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,295 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,304 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,304 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,305 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,306 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,315 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,315 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,315 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,317 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,331 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,331 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,332 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,333 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,344 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,344 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,345 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,354 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,354 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,355 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,368 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,368 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,369 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,379 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,380 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:44,381 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:44,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:44,388 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,391 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,392 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,392 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,392 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,398 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,398 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,399 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,399 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,400 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:44,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,408 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,409 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,415 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,415 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,416 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,416 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,416 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:44,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,423 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,424 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,424 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,430 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,430 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,431 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,431 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,438 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,439 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,439 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,449 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,449 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,450 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,457 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,457 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,458 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,458 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,465 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,466 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,466 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,474 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,474 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,475 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,483 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:44,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,484 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:44,485 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:44,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:44,489 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,494 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,494 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,494 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,502 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,502 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,503 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,504 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:27:44,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,518 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,518 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,528 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,528 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,528 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:44,528 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,529 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:27:44,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,538 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,539 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,539 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,549 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,549 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,549 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,561 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,561 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,562 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,578 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,578 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,590 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,590 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,602 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,602 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,603 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,616 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,616 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,616 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:44,630 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:44,630 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:44,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:44,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:44,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:44,630 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:44,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:44,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:44,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:44,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:44,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:44,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:44,640 INFO L87 Difference]: Start difference. First operand 134 states and 167 transitions. cyclomatic complexity: 35 Second operand 3 states. [2019-12-07 18:27:44,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:44,654 INFO L93 Difference]: Finished difference Result 220 states and 270 transitions. [2019-12-07 18:27:44,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:44,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 270 transitions. [2019-12-07 18:27:44,656 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 201 [2019-12-07 18:27:44,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 220 states and 270 transitions. [2019-12-07 18:27:44,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2019-12-07 18:27:44,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2019-12-07 18:27:44,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 220 states and 270 transitions. [2019-12-07 18:27:44,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:44,658 INFO L688 BuchiCegarLoop]: Abstraction has 220 states and 270 transitions. [2019-12-07 18:27:44,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states and 270 transitions. [2019-12-07 18:27:44,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2019-12-07 18:27:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-12-07 18:27:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 270 transitions. [2019-12-07 18:27:44,663 INFO L711 BuchiCegarLoop]: Abstraction has 220 states and 270 transitions. [2019-12-07 18:27:44,663 INFO L591 BuchiCegarLoop]: Abstraction has 220 states and 270 transitions. [2019-12-07 18:27:44,663 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-12-07 18:27:44,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 220 states and 270 transitions. [2019-12-07 18:27:44,664 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 201 [2019-12-07 18:27:44,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:44,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:44,665 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:44,665 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:44,665 INFO L794 eck$LassoCheckResult]: Stem: 1989#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1949#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1950#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 2028#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2026#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2027#L313-1 assume !false; 2133#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 2132#L262 assume !false; 2131#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 2130#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 2129#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 2128#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 1980#L242 assume 0 != eval_~tmp___1~0; 1977#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 1978#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 2013#L96 assume 0 == ~p_dw_pc~0; 2006#L107-1 [2019-12-07 18:27:44,665 INFO L796 eck$LassoCheckResult]: Loop: 2006#L107-1 assume !false; 2012#L108 assume !(0 == ~q_free~0); 1966#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1967#L32 assume !(1 == ~p_dw_pc~0); 2021#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 1958#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1959#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 1997#L74 assume !(0 != immediate_notify_threads_~tmp~0); 1981#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1947#L51 assume !(1 == ~c_dr_pc~0); 1943#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 1944#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1948#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 2011#L82 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 2010#L82-2 ~q_write_ev~0 := 2; 2006#L107-1 [2019-12-07 18:27:44,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:44,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 3 times [2019-12-07 18:27:44,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:44,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894167728] [2019-12-07 18:27:44,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,692 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:44,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:44,692 INFO L82 PathProgramCache]: Analyzing trace with hash -872319612, now seen corresponding path program 1 times [2019-12-07 18:27:44,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:44,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855475554] [2019-12-07 18:27:44,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:44,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855475554] [2019-12-07 18:27:44,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:44,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:27:44,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12503735] [2019-12-07 18:27:44,720 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:44,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:44,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:27:44,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:27:44,720 INFO L87 Difference]: Start difference. First operand 220 states and 270 transitions. cyclomatic complexity: 54 Second operand 5 states. [2019-12-07 18:27:44,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:44,760 INFO L93 Difference]: Finished difference Result 428 states and 517 transitions. [2019-12-07 18:27:44,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:27:44,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 428 states and 517 transitions. [2019-12-07 18:27:44,763 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 387 [2019-12-07 18:27:44,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 428 states to 428 states and 517 transitions. [2019-12-07 18:27:44,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 428 [2019-12-07 18:27:44,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 428 [2019-12-07 18:27:44,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 428 states and 517 transitions. [2019-12-07 18:27:44,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:44,767 INFO L688 BuchiCegarLoop]: Abstraction has 428 states and 517 transitions. [2019-12-07 18:27:44,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states and 517 transitions. [2019-12-07 18:27:44,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 229. [2019-12-07 18:27:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-12-07 18:27:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 275 transitions. [2019-12-07 18:27:44,771 INFO L711 BuchiCegarLoop]: Abstraction has 229 states and 275 transitions. [2019-12-07 18:27:44,771 INFO L591 BuchiCegarLoop]: Abstraction has 229 states and 275 transitions. [2019-12-07 18:27:44,771 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-12-07 18:27:44,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 275 transitions. [2019-12-07 18:27:44,772 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 210 [2019-12-07 18:27:44,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:44,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:44,773 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:44,773 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:44,773 INFO L794 eck$LassoCheckResult]: Stem: 2654#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 2613#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 2614#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 2701#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2699#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2700#L313-1 assume !false; 2747#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 2746#L262 assume !false; 2745#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 2744#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 2743#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 2742#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 2741#L242 assume 0 != eval_~tmp___1~0; 2740#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 2688#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 2680#L96 assume 0 == ~p_dw_pc~0; 2670#L107-1 [2019-12-07 18:27:44,773 INFO L796 eck$LassoCheckResult]: Loop: 2670#L107-1 assume !false; 2679#L108 assume !(0 == ~q_free~0); 2757#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 2756#L32 assume !(1 == ~p_dw_pc~0); 2693#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 2622#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 2623#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 2664#L74 assume !(0 != immediate_notify_threads_~tmp~0); 2646#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 2647#L51 assume !(1 == ~c_dr_pc~0); 2605#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 2606#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 2677#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 2678#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 2674#L82-2 ~q_write_ev~0 := 2; 2670#L107-1 [2019-12-07 18:27:44,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:44,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 4 times [2019-12-07 18:27:44,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:44,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885475719] [2019-12-07 18:27:44,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,780 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:44,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:44,781 INFO L82 PathProgramCache]: Analyzing trace with hash -872319550, now seen corresponding path program 1 times [2019-12-07 18:27:44,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:44,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898181145] [2019-12-07 18:27:44,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,786 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:44,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:44,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2123761273, now seen corresponding path program 1 times [2019-12-07 18:27:44,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:44,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672870144] [2019-12-07 18:27:44,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:44,797 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:44,861 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:27:44,861 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:27:44,861 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:27:44,861 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:27:44,861 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:27:44,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:27:44,861 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:27:44,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2019-12-07 18:27:44,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:27:44,861 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:27:44,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:44,965 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:27:44,966 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:44,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:44,972 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:27:44,972 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_immediate_notify_threads_#t~ret0=0} Honda state: {ULTIMATE.start_immediate_notify_threads_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:44,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:44,979 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:27:44,979 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_immediate_notify_threads_#t~ret1=0} Honda state: {ULTIMATE.start_immediate_notify_threads_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:44,983 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:44,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:27:44,990 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:44,999 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:27:44,999 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:27:45,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:27:45,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:27:45,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:27:45,000 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:27:45,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:27:45,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:27:45,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2019-12-07 18:27:45,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:27:45,000 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:27:45,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:45,095 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:27:45,095 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:45,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:45,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,110 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:45,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:45,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:45,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:45,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,146 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,146 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:45,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,158 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:45,158 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,160 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,165 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,165 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,171 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,171 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,178 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,178 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,186 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,187 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,194 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,195 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,201 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,202 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,208 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,209 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,215 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,215 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,222 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,222 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,230 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,230 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,233 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,236 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,237 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,243 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,244 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,251 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,251 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,252 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,259 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,260 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,267 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,268 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,274 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,275 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,282 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,289 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,289 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,290 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,297 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,298 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,306 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,306 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,307 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,310 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,314 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,315 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,324 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,324 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,330 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,330 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,332 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:45,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,341 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,357 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,358 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,366 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,367 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,375 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,375 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,383 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,383 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,383 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:45,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,390 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,391 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:45,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,399 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,399 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,399 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:45,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,402 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,406 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,406 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,407 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,407 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,414 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,414 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,414 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,421 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,421 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,422 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,422 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,432 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,432 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,433 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,441 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,441 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,442 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,450 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,450 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,451 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,458 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,459 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,466 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,466 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,466 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,474 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,474 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,475 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:27:45,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,483 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,483 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,483 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:27:45,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,487 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,491 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,492 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,492 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 169 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 169 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,499 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,500 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,500 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 170 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 170 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,507 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,507 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,507 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,507 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,508 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 171 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 171 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,520 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,520 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,521 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 172 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 172 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,531 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,531 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,532 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 173 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 173 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,541 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,541 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,542 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 174 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 174 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,551 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,551 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,551 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,552 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 175 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 175 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,560 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,560 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,560 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,561 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 176 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 176 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,570 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,570 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,571 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,571 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,580 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,580 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:27:45,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,581 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,581 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,581 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,586 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,590 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,591 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,591 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,599 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,599 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,600 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,600 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,608 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,608 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,608 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,608 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,610 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:45,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,624 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,624 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,625 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,626 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 182 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 182 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,638 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,638 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,640 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 183 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 183 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,652 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,652 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,653 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,654 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 184 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 184 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,666 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,666 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,666 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,667 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 185 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 185 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,679 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,679 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,679 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,680 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:45,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 186 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 186 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,691 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,691 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,691 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,692 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:27:45,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 187 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 187 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,703 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,703 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,703 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,703 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:27:45,704 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2019-12-07 18:27:45,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,711 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 188 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 188 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,715 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,716 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,716 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 189 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 189 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,723 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,723 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,724 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 190 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 190 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,730 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,731 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,732 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 191 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 191 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,743 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,743 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,744 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 192 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 192 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,753 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,753 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,754 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 193 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 193 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,763 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,763 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,764 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 194 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 194 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,772 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,772 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,772 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,773 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 195 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 195 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,780 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,780 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,781 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,781 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,781 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 196 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 196 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,789 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,789 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,790 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,790 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:27:45,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 197 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 197 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,797 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:27:45,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,798 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,798 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:27:45,798 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:27:45,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:45,802 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 198 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 198 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,806 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,806 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 199 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 199 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,815 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,815 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 200 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 200 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,823 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,823 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,824 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,824 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,826 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:27:45,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 201 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 201 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,838 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,839 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 202 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 202 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,851 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,851 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,852 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 203 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 203 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,866 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,866 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,866 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,879 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,880 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,880 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,890 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,891 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,891 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,891 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,892 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:27:45,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,902 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,902 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:45,902 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:45,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:45,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:45,913 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:27:45,913 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:27:45,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:45,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:45,914 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:45,914 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:27:45,915 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:27:45,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:45,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:27:46,046 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-12-07 18:27:46,074 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:27:46,074 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:27:46,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:27:46,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:27:46,074 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:27:46,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:27:46,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:27:46,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Lasso [2019-12-07 18:27:46,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:27:46,075 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:27:46,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,294 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:27:46,295 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:46,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:46,300 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:27:46,300 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:46,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:46,306 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:27:46,306 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~__retres1~3=0} Honda state: {ULTIMATE.start_main_~__retres1~3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:46,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:46,312 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:27:46,312 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_dr_st~0=0} Honda state: {~c_dr_st~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:27:46,316 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:27:46,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:27:46,326 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:27:46,327 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:27:46,327 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:27:46,328 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:27:46,328 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:27:46,328 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:27:46,328 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,328 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:27:46,328 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:27:46,328 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Lasso [2019-12-07 18:27:46,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:27:46,328 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:27:46,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:27:46,575 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:27:46,575 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 213 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 213 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:46,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:46,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:46,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:46,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:46,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:46,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:27:46,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 214 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 214 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:46,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:46,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:46,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:46,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:46,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:46,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:46,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:46,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 215 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 215 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:46,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:46,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:27:46,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:46,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:46,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:46,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:27:46,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:27:46,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 216 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 216 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:46,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:46,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:46,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:27:46,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:46,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:27:46,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:27:46,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 217 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 217 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:27:46,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:27:46,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:27:46,614 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:27:46,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:27:46,617 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 18:27:46,617 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:27:46,625 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:27:46,643 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 18:27:46,643 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/z3 Starting monitored process 218 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 218 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:27:46,648 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:27:46,651 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-12-07 18:27:46,651 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:27:46,652 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2019-12-07 18:27:46,655 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 18:27:46,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:46,689 INFO L264 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:27:46,690 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:27:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:46,715 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:27:46,716 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:27:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:46,747 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 18:27:46,747 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 229 states and 275 transitions. cyclomatic complexity: 50 Second operand 6 states. [2019-12-07 18:27:46,848 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 229 states and 275 transitions. cyclomatic complexity: 50. Second operand 6 states. Result 1087 states and 1324 transitions. Complement of second has 9 states. [2019-12-07 18:27:46,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:27:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 18:27:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 340 transitions. [2019-12-07 18:27:46,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 15 letters. [2019-12-07 18:27:46,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:27:46,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 31 letters. Loop has 15 letters. [2019-12-07 18:27:46,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:27:46,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 30 letters. [2019-12-07 18:27:46,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:27:46,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1087 states and 1324 transitions. [2019-12-07 18:27:46,864 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 563 [2019-12-07 18:27:46,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1087 states to 892 states and 1084 transitions. [2019-12-07 18:27:46,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 646 [2019-12-07 18:27:46,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 650 [2019-12-07 18:27:46,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1084 transitions. [2019-12-07 18:27:46,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:27:46,872 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1084 transitions. [2019-12-07 18:27:46,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1084 transitions. [2019-12-07 18:27:46,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 659. [2019-12-07 18:27:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-12-07 18:27:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 802 transitions. [2019-12-07 18:27:46,881 INFO L711 BuchiCegarLoop]: Abstraction has 659 states and 802 transitions. [2019-12-07 18:27:46,881 INFO L591 BuchiCegarLoop]: Abstraction has 659 states and 802 transitions. [2019-12-07 18:27:46,881 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-12-07 18:27:46,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 659 states and 802 transitions. [2019-12-07 18:27:46,884 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 377 [2019-12-07 18:27:46,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:46,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:46,884 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:46,884 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:46,884 INFO L794 eck$LassoCheckResult]: Stem: 4150#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 4071#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 4072#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 4231#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 4229#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 4230#L313-1 assume !false; 4372#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 4371#L262 assume !false; 4370#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 4369#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 4368#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 4367#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 4366#L242 assume 0 != eval_~tmp___1~0; 4365#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 4364#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 4363#L96 assume !(0 == ~p_dw_pc~0); 4174#L99 assume 1 == ~p_dw_pc~0; 4175#L109 [2019-12-07 18:27:46,885 INFO L796 eck$LassoCheckResult]: Loop: 4175#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 4083#L32 assume 1 == ~p_dw_pc~0; 4084#L33 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 4088#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 4089#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 4166#L74 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 4689#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 4063#L51 assume !(1 == ~c_dr_pc~0); 4064#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 4682#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 4683#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 4598#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 4599#L82-2 ~q_write_ev~0 := 2; 4590#L107-1 assume !false; 4591#L108 assume !(0 == ~q_free~0); 4175#L109 [2019-12-07 18:27:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:46,885 INFO L82 PathProgramCache]: Analyzing trace with hash 560336285, now seen corresponding path program 1 times [2019-12-07 18:27:46,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:46,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096399799] [2019-12-07 18:27:46,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:46,895 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096399799] [2019-12-07 18:27:46,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:46,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:27:46,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814263904] [2019-12-07 18:27:46,896 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:27:46,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:46,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1691430829, now seen corresponding path program 1 times [2019-12-07 18:27:46,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:46,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102776024] [2019-12-07 18:27:46,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:46,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102776024] [2019-12-07 18:27:46,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:46,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 18:27:46,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038409596] [2019-12-07 18:27:46,905 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:46,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:46,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:46,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:46,905 INFO L87 Difference]: Start difference. First operand 659 states and 802 transitions. cyclomatic complexity: 155 Second operand 3 states. [2019-12-07 18:27:46,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:46,916 INFO L93 Difference]: Finished difference Result 372 states and 445 transitions. [2019-12-07 18:27:46,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:46,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 372 states and 445 transitions. [2019-12-07 18:27:46,918 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233 [2019-12-07 18:27:46,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 372 states to 314 states and 376 transitions. [2019-12-07 18:27:46,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 311 [2019-12-07 18:27:46,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 314 [2019-12-07 18:27:46,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 314 states and 376 transitions. [2019-12-07 18:27:46,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:27:46,921 INFO L688 BuchiCegarLoop]: Abstraction has 314 states and 376 transitions. [2019-12-07 18:27:46,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states and 376 transitions. [2019-12-07 18:27:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 249. [2019-12-07 18:27:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-12-07 18:27:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 301 transitions. [2019-12-07 18:27:46,924 INFO L711 BuchiCegarLoop]: Abstraction has 249 states and 301 transitions. [2019-12-07 18:27:46,924 INFO L591 BuchiCegarLoop]: Abstraction has 249 states and 301 transitions. [2019-12-07 18:27:46,924 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-12-07 18:27:46,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 249 states and 301 transitions. [2019-12-07 18:27:46,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 206 [2019-12-07 18:27:46,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:46,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:46,926 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:46,926 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:46,926 INFO L794 eck$LassoCheckResult]: Stem: 5135#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 5097#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 5098#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 5176#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 5174#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 5175#L313-1 assume !false; 5218#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 5215#L262 assume !false; 5213#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5211#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 5209#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5207#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5205#L242 assume 0 != eval_~tmp___1~0; 5200#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 5166#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 5167#L96 assume 0 == ~p_dw_pc~0; 5199#L107-1 assume !false; 5156#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 5125#L247 [2019-12-07 18:27:46,926 INFO L796 eck$LassoCheckResult]: Loop: 5125#L247 assume !(0 == ~c_dr_st~0); 5100#L262 assume !false; 5150#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5151#L214 assume !(0 == ~p_dw_st~0); 5163#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 5112#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5113#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5127#L242 assume 0 != eval_~tmp___1~0; 5124#L242-1 assume !(0 == ~p_dw_st~0); 5125#L247 [2019-12-07 18:27:46,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:46,927 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 1 times [2019-12-07 18:27:46,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:46,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400576007] [2019-12-07 18:27:46,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:46,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400576007] [2019-12-07 18:27:46,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:46,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:27:46,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550156484] [2019-12-07 18:27:46,937 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:27:46,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:46,938 INFO L82 PathProgramCache]: Analyzing trace with hash 313858188, now seen corresponding path program 1 times [2019-12-07 18:27:46,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:46,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560184801] [2019-12-07 18:27:46,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:46,944 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560184801] [2019-12-07 18:27:46,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:46,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:27:46,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838327086] [2019-12-07 18:27:46,944 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:27:46,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:46,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:46,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:46,944 INFO L87 Difference]: Start difference. First operand 249 states and 301 transitions. cyclomatic complexity: 54 Second operand 3 states. [2019-12-07 18:27:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:46,959 INFO L93 Difference]: Finished difference Result 308 states and 364 transitions. [2019-12-07 18:27:46,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:46,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 308 states and 364 transitions. [2019-12-07 18:27:46,961 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 258 [2019-12-07 18:27:46,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 308 states to 308 states and 364 transitions. [2019-12-07 18:27:46,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2019-12-07 18:27:46,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2019-12-07 18:27:46,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 364 transitions. [2019-12-07 18:27:46,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:27:46,964 INFO L688 BuchiCegarLoop]: Abstraction has 308 states and 364 transitions. [2019-12-07 18:27:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 364 transitions. [2019-12-07 18:27:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 218. [2019-12-07 18:27:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-12-07 18:27:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 258 transitions. [2019-12-07 18:27:46,968 INFO L711 BuchiCegarLoop]: Abstraction has 218 states and 258 transitions. [2019-12-07 18:27:46,968 INFO L591 BuchiCegarLoop]: Abstraction has 218 states and 258 transitions. [2019-12-07 18:27:46,968 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-12-07 18:27:46,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 258 transitions. [2019-12-07 18:27:46,970 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-12-07 18:27:46,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:46,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:46,970 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:46,970 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:46,971 INFO L794 eck$LassoCheckResult]: Stem: 5701#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 5661#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 5662#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 5737#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 5735#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 5736#L313-1 assume !false; 5803#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 5801#L262 assume !false; 5799#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5796#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 5794#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5791#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5789#L242 assume 0 != eval_~tmp___1~0; 5788#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 5782#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 5781#L96 assume 0 == ~p_dw_pc~0; 5777#L107-1 assume !false; 5748#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 5744#L247 [2019-12-07 18:27:46,971 INFO L796 eck$LassoCheckResult]: Loop: 5744#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 5663#L266 assume !(0 != eval_~tmp___0~1); 5664#L262 assume !false; 5776#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5774#L214 assume !(0 == ~p_dw_st~0); 5772#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 5770#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5768#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 5764#L242 assume 0 != eval_~tmp___1~0; 5749#L242-1 assume !(0 == ~p_dw_st~0); 5744#L247 [2019-12-07 18:27:46,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:46,971 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 2 times [2019-12-07 18:27:46,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:46,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445006164] [2019-12-07 18:27:46,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:46,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445006164] [2019-12-07 18:27:46,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:46,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:27:46,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8485819] [2019-12-07 18:27:46,985 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:27:46,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:46,985 INFO L82 PathProgramCache]: Analyzing trace with hash -750519281, now seen corresponding path program 1 times [2019-12-07 18:27:46,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:46,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681242795] [2019-12-07 18:27:46,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:46,990 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:47,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:47,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:47,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:47,019 INFO L87 Difference]: Start difference. First operand 218 states and 258 transitions. cyclomatic complexity: 43 Second operand 3 states. [2019-12-07 18:27:47,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:47,028 INFO L93 Difference]: Finished difference Result 241 states and 282 transitions. [2019-12-07 18:27:47,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:47,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 282 transitions. [2019-12-07 18:27:47,031 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 190 [2019-12-07 18:27:47,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 240 states and 281 transitions. [2019-12-07 18:27:47,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 240 [2019-12-07 18:27:47,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 240 [2019-12-07 18:27:47,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 240 states and 281 transitions. [2019-12-07 18:27:47,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:47,034 INFO L688 BuchiCegarLoop]: Abstraction has 240 states and 281 transitions. [2019-12-07 18:27:47,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states and 281 transitions. [2019-12-07 18:27:47,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 217. [2019-12-07 18:27:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-12-07 18:27:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 256 transitions. [2019-12-07 18:27:47,039 INFO L711 BuchiCegarLoop]: Abstraction has 217 states and 256 transitions. [2019-12-07 18:27:47,039 INFO L591 BuchiCegarLoop]: Abstraction has 217 states and 256 transitions. [2019-12-07 18:27:47,039 INFO L424 BuchiCegarLoop]: ======== Iteration 14============ [2019-12-07 18:27:47,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 217 states and 256 transitions. [2019-12-07 18:27:47,040 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-12-07 18:27:47,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:47,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:47,041 INFO L849 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] [2019-12-07 18:27:47,041 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:47,041 INFO L794 eck$LassoCheckResult]: Stem: 6168#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6127#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6128#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 6210#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6209#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6199#L313-1 assume !false; 6149#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 6150#L262 assume !false; 6184#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6185#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 6260#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6259#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6158#L242 assume 0 != eval_~tmp___1~0; 6159#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 6257#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 6256#L96 assume !(0 == ~p_dw_pc~0); 6182#L99 assume 1 == ~p_dw_pc~0; 6144#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 6145#L32 assume 1 == ~p_dw_pc~0; 6174#L33 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 6175#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 6250#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 6247#L74 assume !(0 != immediate_notify_threads_~tmp~0); 6191#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6124#L51 assume !(1 == ~c_dr_pc~0); 6125#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 6239#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 6236#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 6232#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 6228#L82-2 ~q_write_ev~0 := 2; 6224#L107-1 assume !false; 6220#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 6217#L247 [2019-12-07 18:27:47,041 INFO L796 eck$LassoCheckResult]: Loop: 6217#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 6129#L266 assume !(0 != eval_~tmp___0~1); 6130#L262 assume !false; 6242#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6240#L214 assume !(0 == ~p_dw_st~0); 6237#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 6233#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6229#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6225#L242 assume 0 != eval_~tmp___1~0; 6221#L242-1 assume !(0 == ~p_dw_st~0); 6217#L247 [2019-12-07 18:27:47,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:47,042 INFO L82 PathProgramCache]: Analyzing trace with hash -2034026126, now seen corresponding path program 1 times [2019-12-07 18:27:47,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:47,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693975900] [2019-12-07 18:27:47,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:27:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:27:47,056 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693975900] [2019-12-07 18:27:47,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:27:47,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:27:47,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165614544] [2019-12-07 18:27:47,056 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:27:47,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:47,057 INFO L82 PathProgramCache]: Analyzing trace with hash -750519281, now seen corresponding path program 2 times [2019-12-07 18:27:47,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:47,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495462941] [2019-12-07 18:27:47,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,062 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:47,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:27:47,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:27:47,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:27:47,086 INFO L87 Difference]: Start difference. First operand 217 states and 256 transitions. cyclomatic complexity: 42 Second operand 3 states. [2019-12-07 18:27:47,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:27:47,094 INFO L93 Difference]: Finished difference Result 210 states and 244 transitions. [2019-12-07 18:27:47,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:27:47,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 244 transitions. [2019-12-07 18:27:47,096 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-12-07 18:27:47,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 244 transitions. [2019-12-07 18:27:47,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2019-12-07 18:27:47,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2019-12-07 18:27:47,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 244 transitions. [2019-12-07 18:27:47,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:27:47,098 INFO L688 BuchiCegarLoop]: Abstraction has 210 states and 244 transitions. [2019-12-07 18:27:47,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 244 transitions. [2019-12-07 18:27:47,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2019-12-07 18:27:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-12-07 18:27:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 244 transitions. [2019-12-07 18:27:47,101 INFO L711 BuchiCegarLoop]: Abstraction has 210 states and 244 transitions. [2019-12-07 18:27:47,101 INFO L591 BuchiCegarLoop]: Abstraction has 210 states and 244 transitions. [2019-12-07 18:27:47,101 INFO L424 BuchiCegarLoop]: ======== Iteration 15============ [2019-12-07 18:27:47,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 244 transitions. [2019-12-07 18:27:47,102 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-12-07 18:27:47,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:27:47,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:27:47,102 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:47,102 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:27:47,103 INFO L794 eck$LassoCheckResult]: Stem: 6599#ULTIMATE.startENTRY ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6560#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6561#L346 havoc start_simulation_#t~ret7, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 6642#L196 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6640#L196-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6641#L313-1 assume !false; 6681#L314 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret3, eval_#t~nondet4, eval_#t~nondet5, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 6679#L262 assume !false; 6677#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6675#L214 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 6670#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6666#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6662#L242 assume 0 != eval_~tmp___1~0; 6659#L242-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet4;havoc eval_#t~nondet4; 6633#L251 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet2; 6625#L96 assume 0 == ~p_dw_pc~0; 6626#L107-1 assume !false; 6651#L108 assume !(0 == ~q_free~0); 6577#L109 ~q_buf_0~0 := do_write_p_#t~nondet2;havoc do_write_p_#t~nondet2;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret0, immediate_notify_threads_#t~ret1, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 6567#L32 assume !(1 == ~p_dw_pc~0); 6568#L32-2 is_do_write_p_triggered_~__retres1~0 := 0; 6569#L43 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 6570#L44 immediate_notify_threads_#t~ret0 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret0;havoc immediate_notify_threads_#t~ret0; 6608#L74 assume !(0 != immediate_notify_threads_~tmp~0); 6594#L74-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6557#L51 assume !(1 == ~c_dr_pc~0); 6558#L51-2 is_do_read_c_triggered_~__retres1~1 := 0; 6692#L62 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 6690#L63 immediate_notify_threads_#t~ret1 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret1;havoc immediate_notify_threads_#t~ret1; 6688#L82 assume !(0 != immediate_notify_threads_~tmp___0~0); 6687#L82-2 ~q_write_ev~0 := 2; 6686#L107-1 assume !false; 6671#L108 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 6667#L247 [2019-12-07 18:27:47,103 INFO L796 eck$LassoCheckResult]: Loop: 6667#L247 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet5;havoc eval_#t~nondet5; 6562#L266 assume !(0 != eval_~tmp___0~1); 6563#L262 assume !false; 6615#L238 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6616#L214 assume !(0 == ~p_dw_st~0); 6693#L218 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 6685#L226 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6612#L227 eval_#t~ret3 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret3;havoc eval_#t~ret3; 6592#L242 assume 0 != eval_~tmp___1~0; 6593#L242-1 assume !(0 == ~p_dw_st~0); 6667#L247 [2019-12-07 18:27:47,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:47,103 INFO L82 PathProgramCache]: Analyzing trace with hash 825120445, now seen corresponding path program 1 times [2019-12-07 18:27:47,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:47,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759751265] [2019-12-07 18:27:47,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,113 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:47,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:47,114 INFO L82 PathProgramCache]: Analyzing trace with hash -750519281, now seen corresponding path program 3 times [2019-12-07 18:27:47,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:47,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559644850] [2019-12-07 18:27:47,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,118 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:47,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:27:47,118 INFO L82 PathProgramCache]: Analyzing trace with hash 250746827, now seen corresponding path program 1 times [2019-12-07 18:27:47,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:27:47,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978742358] [2019-12-07 18:27:47,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:27:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:27:47,129 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:27:47,366 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-12-07 18:27:47,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:27:47 BoogieIcfgContainer [2019-12-07 18:27:47,420 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:27:47,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:27:47,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:27:47,420 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:27:47,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:27:42" (3/4) ... [2019-12-07 18:27:47,422 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 18:27:47,456 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a16f5334-d72b-4963-9912-c0976421a9ec/bin/uautomizer/witness.graphml [2019-12-07 18:27:47,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:27:47,457 INFO L168 Benchmark]: Toolchain (without parser) took 5651.95 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 409.5 MB). Free memory was 942.0 MB in the beginning and 1.4 GB in the end (delta: -418.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:27:47,457 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:27:47,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:27:47,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:27:47,458 INFO L168 Benchmark]: Boogie Preprocessor took 18.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:27:47,459 INFO L168 Benchmark]: RCFGBuilder took 249.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:27:47,459 INFO L168 Benchmark]: BuchiAutomizer took 5111.39 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 300.4 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -299.3 MB). Peak memory consumption was 412.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:27:47,459 INFO L168 Benchmark]: Witness Printer took 36.56 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:27:47,460 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 249.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5111.39 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 300.4 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -299.3 MB). Peak memory consumption was 412.8 MB. Max. memory is 11.5 GB. * Witness Printer took 36.56 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 14 terminating modules (13 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function q_free and consists of 6 locations. 13 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 210 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 15 iterations. TraceHistogramMax:2. Analysis of lassos took 4.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 11. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 848 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 659 states and ocurred in iteration 10. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1747 SDtfs, 1631 SDslu, 1732 SDs, 0 SdLazy, 203 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI6 SFLT0 conc1 concLT0 SILN2 SILU0 SILI4 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital70 mio100 ax100 hnf100 lsp18 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq210 hnf86 smp100 dnf118 smp100 tf105 neg92 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 262]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {p_last_write=4, c_dr_i=1, c_dr_pc=0, a_t=0, \result=0, \result=0, c_num_read=0, tmp=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28918942=0, c_dr_st=0, kernel_st=1, q_read_ev=2, p_dw_i=1, tmp___0=0, tmp___1=1, q_write_ev=2, __retres1=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a566012=0, p_dw_pc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a9a0de1=0, tmp=0, q_free=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25fe4e67=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ae27619=0, __retres1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e8c535c=0, p_dw_st=2, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60d01c44=0, tmp=0, c_last_read=0, __retres1=0, p_num_write=1, q_buf_0=4, __retres1=0, \result=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 237]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] int q_buf_0 ; [L15] int q_free ; [L16] int q_read_ev ; [L17] int q_write_ev ; [L18] int p_num_write ; [L19] int p_last_write ; [L20] int p_dw_st ; [L21] int p_dw_pc ; [L22] int p_dw_i ; [L23] int c_num_read ; [L24] int c_last_read ; [L25] int c_dr_st ; [L26] int c_dr_pc ; [L27] int c_dr_i ; [L134] static int a_t ; [L350] int __retres1 ; [L336] q_free = 1 [L337] q_write_ev = 2 [L338] q_read_ev = q_write_ev [L339] p_num_write = 0 [L340] p_dw_pc = 0 [L341] p_dw_i = 1 [L342] c_num_read = 0 [L343] c_dr_pc = 0 [L344] c_dr_i = 1 [L304] int kernel_st ; [L305] int tmp ; [L309] kernel_st = 0 [L196] COND TRUE (int )p_dw_i == 1 [L197] p_dw_st = 0 [L201] COND TRUE (int )c_dr_i == 1 [L202] c_dr_st = 0 [L313] COND TRUE 1 [L316] kernel_st = 1 [L231] int tmp ; [L232] int tmp___0 ; [L233] int tmp___1 ; [L237] COND TRUE 1 [L211] int __retres1 ; [L214] COND TRUE (int )p_dw_st == 0 [L215] __retres1 = 1 [L227] return (__retres1); [L240] tmp___1 = exists_runnable_thread() [L242] COND TRUE \read(tmp___1) [L247] COND TRUE (int )p_dw_st == 0 [L249] tmp = __VERIFIER_nondet_int() [L251] COND TRUE \read(tmp) [L253] p_dw_st = 1 [L96] COND TRUE (int )p_dw_pc == 0 [L107] COND TRUE 1 [L109] COND FALSE !((int )q_free == 0) [L119] q_buf_0 = __VERIFIER_nondet_int() [L120] p_last_write = q_buf_0 [L121] p_num_write += 1 [L122] q_free = 0 [L123] q_write_ev = 1 [L67] int tmp ; [L68] int tmp___0 ; [L29] int __retres1 ; [L32] COND FALSE !((int )p_dw_pc == 1) [L42] __retres1 = 0 [L44] return (__retres1); [L72] tmp = is_do_write_p_triggered() [L74] COND FALSE !(\read(tmp)) [L48] int __retres1 ; [L51] COND FALSE !((int )c_dr_pc == 1) [L61] __retres1 = 0 [L63] return (__retres1); [L80] tmp___0 = is_do_read_c_triggered() [L82] COND FALSE !(\read(tmp___0)) [L125] q_write_ev = 2 [L107] COND TRUE 1 [L109] COND TRUE (int )q_free == 0 [L110] p_dw_st = 2 [L111] p_dw_pc = 1 Loop: [L262] COND TRUE (int )c_dr_st == 0 [L264] tmp___0 = __VERIFIER_nondet_int() [L266] COND FALSE !(\read(tmp___0)) [L237] COND TRUE 1 [L211] int __retres1 ; [L214] COND FALSE !((int )p_dw_st == 0) [L218] COND TRUE (int )c_dr_st == 0 [L219] __retres1 = 1 [L227] return (__retres1); [L240] tmp___1 = exists_runnable_thread() [L242] COND TRUE \read(tmp___1) [L247] COND FALSE !((int )p_dw_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...