./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 64bit --witnessprinter.graph.data.programhash 6d6fa40570ac98fcded670ccb8a913ea07efa9b1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:42:38,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:42:38,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:42:38,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:42:38,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:42:38,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:42:38,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:42:38,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:42:38,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:42:38,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:42:38,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:42:38,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:42:38,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:42:38,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:42:38,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:42:38,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:42:38,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:42:38,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:42:38,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:42:38,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:42:38,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:42:38,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:42:38,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:42:38,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:42:38,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:42:38,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:42:38,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:42:38,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:42:38,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:42:38,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:42:38,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:42:38,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:42:38,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:42:38,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:42:38,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:42:38,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:42:38,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:42:38,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:42:38,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:42:38,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:42:38,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:42:38,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 07:42:38,213 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:42:38,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:42:38,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:42:38,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:42:38,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:42:38,216 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 07:42:38,216 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 07:42:38,216 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 07:42:38,216 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 07:42:38,217 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 07:42:38,217 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 07:42:38,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:42:38,217 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 07:42:38,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:42:38,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:42:38,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 07:42:38,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 07:42:38,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 07:42:38,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:42:38,219 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 07:42:38,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:42:38,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 07:42:38,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:42:38,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:42:38,220 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 07:42:38,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:42:38,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:42:38,221 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 07:42:38,222 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 07:42:38,222 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_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d6fa40570ac98fcded670ccb8a913ea07efa9b1 [2019-11-20 07:42:38,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:42:38,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:42:38,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:42:38,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:42:38,435 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:42:38,436 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2019-11-20 07:42:38,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/data/0fc1ec29c/0ae6ec4aa43245d0afb449ca52c56fb6/FLAG29badf649 [2019-11-20 07:42:39,021 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:42:39,022 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2019-11-20 07:42:39,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/data/0fc1ec29c/0ae6ec4aa43245d0afb449ca52c56fb6/FLAG29badf649 [2019-11-20 07:42:39,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/data/0fc1ec29c/0ae6ec4aa43245d0afb449ca52c56fb6 [2019-11-20 07:42:39,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:42:39,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:42:39,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:42:39,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:42:39,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:42:39,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:42:39" (1/1) ... [2019-11-20 07:42:39,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cc45ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:39, skipping insertion in model container [2019-11-20 07:42:39,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:42:39" (1/1) ... [2019-11-20 07:42:39,372 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:42:39,414 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:42:39,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:42:39,889 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:42:39,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:42:40,017 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:42:40,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40 WrapperNode [2019-11-20 07:42:40,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:42:40,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:42:40,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:42:40,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:42:40,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:42:40,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:42:40,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:42:40,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:42:40,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... [2019-11-20 07:42:40,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:42:40,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:42:40,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:42:40,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:42:40,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 07:42:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 07:42:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:42:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:42:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:42:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:42:40,515 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:42:40,515 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 07:42:40,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:40 BoogieIcfgContainer [2019-11-20 07:42:40,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:42:40,517 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 07:42:40,517 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 07:42:40,521 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 07:42:40,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:42:40,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:42:39" (1/3) ... [2019-11-20 07:42:40,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e925482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:42:40, skipping insertion in model container [2019-11-20 07:42:40,523 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:42:40,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:40" (2/3) ... [2019-11-20 07:42:40,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e925482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:42:40, skipping insertion in model container [2019-11-20 07:42:40,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:42:40,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:40" (3/3) ... [2019-11-20 07:42:40,526 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.11-alloca.i [2019-11-20 07:42:40,587 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 07:42:40,587 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 07:42:40,587 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 07:42:40,587 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:42:40,588 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:42:40,588 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 07:42:40,588 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:42:40,588 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 07:42:40,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 07:42:40,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:40,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:40,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:40,662 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 07:42:40,662 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:40,662 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 07:42:40,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 07:42:40,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:40,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:40,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:40,665 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 07:42:40,665 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:40,672 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L559-2true [2019-11-20 07:42:40,673 INFO L796 eck$LassoCheckResult]: Loop: 5#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 10#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 14#L555-3true test_fun_#t~short13 := test_fun_#t~short8; 16#L555-4true assume test_fun_#t~short13; 6#L555-9true test_fun_#t~short16 := test_fun_#t~short13; 8#L555-10true assume !test_fun_#t~short16; 11#L555-12true assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 7#L556true assume test_fun_#t~mem17 > test_fun_#t~mem18;havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem19 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem19; 5#L559-2true [2019-11-20 07:42:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:40,679 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 07:42:40,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:40,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439924674] [2019-11-20 07:42:40,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:40,877 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:40,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:40,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1790206705, now seen corresponding path program 1 times [2019-11-20 07:42:40,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:40,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052447351] [2019-11-20 07:42:40,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:40,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052447351] [2019-11-20 07:42:40,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:42:40,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:42:40,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609345748] [2019-11-20 07:42:40,969 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 07:42:40,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:42:40,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:42:40,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:42:40,985 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2019-11-20 07:42:41,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:42:41,097 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2019-11-20 07:42:41,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 07:42:41,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-20 07:42:41,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-20 07:42:41,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2019-11-20 07:42:41,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 07:42:41,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 07:42:41,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2019-11-20 07:42:41,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 07:42:41,117 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-20 07:42:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2019-11-20 07:42:41,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-20 07:42:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 07:42:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-20 07:42:41,157 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 07:42:41,157 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 07:42:41,157 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 07:42:41,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2019-11-20 07:42:41,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 07:42:41,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:41,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:41,159 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 07:42:41,159 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:41,160 INFO L794 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 61#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 53#L559-2 [2019-11-20 07:42:41,160 INFO L796 eck$LassoCheckResult]: Loop: 53#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 54#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 60#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 63#L555-4 assume test_fun_#t~short13; 64#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 58#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 59#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 56#L556 assume test_fun_#t~mem17 > test_fun_#t~mem18;havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem19 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem19; 53#L559-2 [2019-11-20 07:42:41,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:41,160 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-20 07:42:41,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:41,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650048601] [2019-11-20 07:42:41,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:41,213 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:41,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:41,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1790208627, now seen corresponding path program 1 times [2019-11-20 07:42:41,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:41,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090655349] [2019-11-20 07:42:41,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:41,267 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:41,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:41,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1099647153, now seen corresponding path program 1 times [2019-11-20 07:42:41,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:41,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466471098] [2019-11-20 07:42:41,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:41,379 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:41,689 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2019-11-20 07:42:42,339 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-11-20 07:42:42,594 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-20 07:42:42,608 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:42:42,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:42:42,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:42:42,609 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:42:42,609 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:42:42,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:42,609 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:42:42,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:42:42,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11-alloca.i_Iteration2_Lasso [2019-11-20 07:42:42,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:42:42,610 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:42:42,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:42,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:43,260 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-11-20 07:42:43,421 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-11-20 07:42:43,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:43,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:44,042 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:42:44,046 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,061 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 [2019-11-20 07:42:44,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,077 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 [2019-11-20 07:42:44,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,111 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 [2019-11-20 07:42:44,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,129 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 [2019-11-20 07:42:44,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,139 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 [2019-11-20 07:42:44,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,149 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 [2019-11-20 07:42:44,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,165 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 [2019-11-20 07:42:44,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:44,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:44,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,197 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 [2019-11-20 07:42:44,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:44,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,234 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 [2019-11-20 07:42:44,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,259 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 [2019-11-20 07:42:44,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,273 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 [2019-11-20 07:42:44,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,292 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 [2019-11-20 07:42:44,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,309 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 [2019-11-20 07:42:44,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,333 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 [2019-11-20 07:42:44,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:44,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:44,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,357 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 [2019-11-20 07:42:44,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,373 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 [2019-11-20 07:42:44,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,398 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 [2019-11-20 07:42:44,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,422 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 [2019-11-20 07:42:44,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,450 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 [2019-11-20 07:42:44,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,474 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 [2019-11-20 07:42:44,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,488 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 [2019-11-20 07:42:44,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,507 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 [2019-11-20 07:42:44,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:44,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:44,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,525 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 [2019-11-20 07:42:44,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,541 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 [2019-11-20 07:42:44,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:44,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:44,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,574 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 [2019-11-20 07:42:44,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,590 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 [2019-11-20 07:42:44,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,605 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 [2019-11-20 07:42:44,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:44,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:44,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:44,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,614 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 [2019-11-20 07:42:44,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:44,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:44,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:44,665 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 [2019-11-20 07:42:44,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:44,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:44,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:44,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:44,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:44,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:44,692 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:42:44,718 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 07:42:44,718 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:44,725 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:44,737 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 07:42:44,737 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:42:44,738 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-20 07:42:44,942 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-11-20 07:42:44,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 07:42:44,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:44,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:42:45,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:42:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:45,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:42:45,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:42:45,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:42:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:45,147 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 07:42:45,148 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7 Second operand 5 states. [2019-11-20 07:42:45,307 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7. Second operand 5 states. Result 31 states and 45 transitions. Complement of second has 8 states. [2019-11-20 07:42:45,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 07:42:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 07:42:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2019-11-20 07:42:45,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-20 07:42:45,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:45,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-20 07:42:45,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:45,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 16 letters. [2019-11-20 07:42:45,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:45,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2019-11-20 07:42:45,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 07:42:45,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 45 transitions. [2019-11-20 07:42:45,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 07:42:45,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-20 07:42:45,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2019-11-20 07:42:45,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:42:45,336 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 45 transitions. [2019-11-20 07:42:45,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2019-11-20 07:42:45,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2019-11-20 07:42:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 07:42:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2019-11-20 07:42:45,340 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2019-11-20 07:42:45,340 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2019-11-20 07:42:45,347 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 07:42:45,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 43 transitions. [2019-11-20 07:42:45,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 07:42:45,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:45,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:45,353 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 07:42:45,353 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:45,354 INFO L794 eck$LassoCheckResult]: Stem: 258#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 256#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 257#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 240#L555-1 [2019-11-20 07:42:45,354 INFO L796 eck$LassoCheckResult]: Loop: 240#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 254#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 259#L555-4 assume test_fun_#t~short13; 243#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 244#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 251#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 246#L556 assume !(test_fun_#t~mem17 > test_fun_#t~mem18);havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem20 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem21 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 247#L559 assume !(test_fun_#t~mem20 == test_fun_#t~mem21);havoc test_fun_#t~mem21;havoc test_fun_#t~mem20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem23 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23; 239#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 240#L555-1 [2019-11-20 07:42:45,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:45,355 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 07:42:45,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:45,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118805341] [2019-11-20 07:42:45,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:45,425 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:45,431 INFO L82 PathProgramCache]: Analyzing trace with hash 572463690, now seen corresponding path program 1 times [2019-11-20 07:42:45,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:45,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113578596] [2019-11-20 07:42:45,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:45,481 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:45,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:45,482 INFO L82 PathProgramCache]: Analyzing trace with hash -198955769, now seen corresponding path program 1 times [2019-11-20 07:42:45,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:45,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342556707] [2019-11-20 07:42:45,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:45,546 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:45,881 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2019-11-20 07:42:46,200 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-11-20 07:42:46,693 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2019-11-20 07:42:47,107 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-20 07:42:47,111 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:42:47,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:42:47,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:42:47,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:42:47,112 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:42:47,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:47,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:42:47,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:42:47,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11-alloca.i_Iteration3_Lasso [2019-11-20 07:42:47,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:42:47,112 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:42:47,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:47,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,075 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-11-20 07:42:48,278 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-11-20 07:42:48,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:48,614 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-11-20 07:42:49,056 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-20 07:42:49,193 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-20 07:42:49,228 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:42:49,228 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,240 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 [2019-11-20 07:42:49,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:49,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:49,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:49,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,251 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 [2019-11-20 07:42:49,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:49,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:49,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:49,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,259 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 [2019-11-20 07:42:49,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:49,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:49,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:49,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,268 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 [2019-11-20 07:42:49,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:49,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:49,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:49,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,277 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 [2019-11-20 07:42:49,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:49,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:49,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:49,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,290 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 [2019-11-20 07:42:49,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:49,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:49,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:49,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,300 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 [2019-11-20 07:42:49,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:49,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:49,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:49,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:49,317 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 [2019-11-20 07:42:49,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:49,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:49,333 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 [2019-11-20 07:42:49,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:49,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:49,354 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 [2019-11-20 07:42:49,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:49,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,374 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 [2019-11-20 07:42:49,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:49,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:49,418 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 [2019-11-20 07:42:49,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:49,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:49,433 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 [2019-11-20 07:42:49,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:49,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:42:49,466 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 [2019-11-20 07:42:49,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:49,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:49,498 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 [2019-11-20 07:42:49,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:49,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,519 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 [2019-11-20 07:42:49,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:49,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:49,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:49,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:49,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:49,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:49,547 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 [2019-11-20 07:42:49,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:49,551 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 07:42:49,551 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 07:42:49,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:49,580 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 07:42:49,580 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 07:42:49,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:42:49,704 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 07:42:49,704 INFO L444 ModelExtractionUtils]: 40 out of 56 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:49,709 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 07:42:49,713 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 07:42:49,713 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:42:49,714 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2019-11-20 07:42:49,836 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2019-11-20 07:42:49,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 07:42:49,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:49,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:42:49,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:42:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:49,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:42:49,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:42:49,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:42:50,042 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:42:50,043 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 66 [2019-11-20 07:42:50,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 07:42:50,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:42:50,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 07:42:50,100 INFO L567 ElimStorePlain]: treesize reduction 129, result has 22.3 percent of original size [2019-11-20 07:42:50,101 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 07:42:50,101 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:36 [2019-11-20 07:42:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:50,129 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-20 07:42:50,130 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 43 transitions. cyclomatic complexity: 15 Second operand 7 states. [2019-11-20 07:42:50,319 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 43 transitions. cyclomatic complexity: 15. Second operand 7 states. Result 64 states and 97 transitions. Complement of second has 10 states. [2019-11-20 07:42:50,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-20 07:42:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 07:42:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2019-11-20 07:42:50,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 3 letters. Loop has 9 letters. [2019-11-20 07:42:50,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:50,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 12 letters. Loop has 9 letters. [2019-11-20 07:42:50,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:50,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 3 letters. Loop has 18 letters. [2019-11-20 07:42:50,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:50,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 97 transitions. [2019-11-20 07:42:50,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 07:42:50,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 64 states and 97 transitions. [2019-11-20 07:42:50,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 07:42:50,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-20 07:42:50,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 97 transitions. [2019-11-20 07:42:50,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:42:50,334 INFO L688 BuchiCegarLoop]: Abstraction has 64 states and 97 transitions. [2019-11-20 07:42:50,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 97 transitions. [2019-11-20 07:42:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-11-20 07:42:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-20 07:42:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2019-11-20 07:42:50,340 INFO L711 BuchiCegarLoop]: Abstraction has 62 states and 94 transitions. [2019-11-20 07:42:50,341 INFO L591 BuchiCegarLoop]: Abstraction has 62 states and 94 transitions. [2019-11-20 07:42:50,341 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 07:42:50,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 94 transitions. [2019-11-20 07:42:50,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 07:42:50,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:50,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:50,344 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 07:42:50,344 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:50,344 INFO L794 eck$LassoCheckResult]: Stem: 515#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 513#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 514#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 552#L555-1 assume !test_fun_#t~short8; 516#L555-3 [2019-11-20 07:42:50,345 INFO L796 eck$LassoCheckResult]: Loop: 516#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 517#L555-4 assume test_fun_#t~short13; 519#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 507#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 508#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 502#L556 assume !(test_fun_#t~mem17 > test_fun_#t~mem18);havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem20 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem21 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 503#L559 assume test_fun_#t~mem20 == test_fun_#t~mem21;havoc test_fun_#t~mem21;havoc test_fun_#t~mem20;call test_fun_#t~mem22 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem22 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem22; 495#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 496#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 516#L555-3 [2019-11-20 07:42:50,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:50,345 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-20 07:42:50,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:50,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511119266] [2019-11-20 07:42:50,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:50,373 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:50,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:50,374 INFO L82 PathProgramCache]: Analyzing trace with hash -162891098, now seen corresponding path program 1 times [2019-11-20 07:42:50,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:50,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901783645] [2019-11-20 07:42:50,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:50,404 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:50,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:50,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2029276831, now seen corresponding path program 1 times [2019-11-20 07:42:50,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:50,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673355867] [2019-11-20 07:42:50,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:50,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673355867] [2019-11-20 07:42:50,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:42:50,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:42:50,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541970252] [2019-11-20 07:42:50,724 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2019-11-20 07:42:50,964 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-11-20 07:42:50,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:42:50,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:42:50,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:42:50,965 INFO L87 Difference]: Start difference. First operand 62 states and 94 transitions. cyclomatic complexity: 36 Second operand 4 states. [2019-11-20 07:42:51,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:42:51,002 INFO L93 Difference]: Finished difference Result 90 states and 130 transitions. [2019-11-20 07:42:51,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:42:51,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 130 transitions. [2019-11-20 07:42:51,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2019-11-20 07:42:51,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 90 states and 130 transitions. [2019-11-20 07:42:51,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2019-11-20 07:42:51,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2019-11-20 07:42:51,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 130 transitions. [2019-11-20 07:42:51,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:42:51,007 INFO L688 BuchiCegarLoop]: Abstraction has 90 states and 130 transitions. [2019-11-20 07:42:51,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 130 transitions. [2019-11-20 07:42:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 70. [2019-11-20 07:42:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-20 07:42:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 102 transitions. [2019-11-20 07:42:51,015 INFO L711 BuchiCegarLoop]: Abstraction has 70 states and 102 transitions. [2019-11-20 07:42:51,015 INFO L591 BuchiCegarLoop]: Abstraction has 70 states and 102 transitions. [2019-11-20 07:42:51,015 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 07:42:51,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 102 transitions. [2019-11-20 07:42:51,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2019-11-20 07:42:51,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:51,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:51,018 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 07:42:51,018 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:51,018 INFO L794 eck$LassoCheckResult]: Stem: 680#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 678#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 679#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 709#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 690#L555-3 [2019-11-20 07:42:51,019 INFO L796 eck$LassoCheckResult]: Loop: 690#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 719#L555-4 assume test_fun_#t~short13; 718#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 669#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 670#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 665#L556 assume !(test_fun_#t~mem17 > test_fun_#t~mem18);havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem20 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem21 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 666#L559 assume test_fun_#t~mem20 == test_fun_#t~mem21;havoc test_fun_#t~mem21;havoc test_fun_#t~mem20;call test_fun_#t~mem22 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem22 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem22; 658#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 659#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 690#L555-3 [2019-11-20 07:42:51,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:51,019 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2019-11-20 07:42:51,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:51,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097657776] [2019-11-20 07:42:51,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:51,050 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:51,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:51,051 INFO L82 PathProgramCache]: Analyzing trace with hash -162891098, now seen corresponding path program 2 times [2019-11-20 07:42:51,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:51,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88178012] [2019-11-20 07:42:51,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:51,075 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:51,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:51,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1872663455, now seen corresponding path program 1 times [2019-11-20 07:42:51,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:51,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213973312] [2019-11-20 07:42:51,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:51,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:51,340 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2019-11-20 07:42:51,561 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-11-20 07:42:52,079 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 107 [2019-11-20 07:42:52,690 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-11-20 07:42:52,693 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:42:52,693 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:42:52,693 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:42:52,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:42:52,694 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:42:52,694 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:52,694 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:42:52,694 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:42:52,694 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11-alloca.i_Iteration5_Lasso [2019-11-20 07:42:52,694 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:42:52,694 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:42:52,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:52,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:53,694 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-11-20 07:42:53,875 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-11-20 07:42:53,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:53,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:53,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:53,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:53,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:53,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:42:54,117 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-11-20 07:42:54,676 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-20 07:42:54,886 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-11-20 07:42:54,997 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:42:54,997 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,006 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 [2019-11-20 07:42:55,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,015 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 [2019-11-20 07:42:55,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:55,025 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 Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:55,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:55,034 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 Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:55,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,043 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 [2019-11-20 07:42:55,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,051 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 [2019-11-20 07:42:55,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,060 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 [2019-11-20 07:42:55,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,068 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 [2019-11-20 07:42:55,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,079 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 [2019-11-20 07:42:55,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,089 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 [2019-11-20 07:42:55,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:55,117 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 [2019-11-20 07:42:55,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:55,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,127 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 [2019-11-20 07:42:55,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:55,146 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 [2019-11-20 07:42:55,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:55,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:55,165 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 [2019-11-20 07:42:55,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:55,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,177 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 [2019-11-20 07:42:55,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,188 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 [2019-11-20 07:42:55,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,197 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 [2019-11-20 07:42:55,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,206 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 [2019-11-20 07:42:55,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:42:55,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:42:55,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:42:55,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,215 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 [2019-11-20 07:42:55,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,232 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 [2019-11-20 07:42:55,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,243 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 [2019-11-20 07:42:55,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,259 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 [2019-11-20 07:42:55,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,273 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 [2019-11-20 07:42:55,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:42:55,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:42:55,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:42:55,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:42:55,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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 [2019-11-20 07:42:55,287 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 [2019-11-20 07:42:55,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:42:55,289 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 07:42:55,289 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 07:42:55,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:42:55,322 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 07:42:55,322 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 07:42:55,449 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:42:55,571 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-20 07:42:55,571 INFO L444 ModelExtractionUtils]: 35 out of 66 variables were initially zero. Simplification set additionally 29 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3ba28b7-251b-4cbb-a8de-b05ca9edfccc/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) [2019-11-20 07:42:55,575 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:42:55,579 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 07:42:55,580 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:42:55,580 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 Supporting invariants [] [2019-11-20 07:42:55,669 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2019-11-20 07:42:55,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 07:42:55,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:55,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:42:55,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:42:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:55,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 07:42:55,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:42:55,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:42:55,818 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:42:55,818 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 66 [2019-11-20 07:42:55,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 07:42:55,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:42:55,822 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 07:42:55,855 INFO L567 ElimStorePlain]: treesize reduction 129, result has 22.3 percent of original size [2019-11-20 07:42:55,856 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 07:42:55,856 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:36 [2019-11-20 07:42:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:55,877 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-20 07:42:55,877 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 102 transitions. cyclomatic complexity: 36 Second operand 7 states. [2019-11-20 07:42:56,009 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 102 transitions. cyclomatic complexity: 36. Second operand 7 states. Result 204 states and 297 transitions. Complement of second has 10 states. [2019-11-20 07:42:56,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-20 07:42:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 07:42:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2019-11-20 07:42:56,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 4 letters. Loop has 9 letters. [2019-11-20 07:42:56,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:56,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 13 letters. Loop has 9 letters. [2019-11-20 07:42:56,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:56,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 4 letters. Loop has 18 letters. [2019-11-20 07:42:56,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:42:56,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204 states and 297 transitions. [2019-11-20 07:42:56,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:56,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204 states to 54 states and 73 transitions. [2019-11-20 07:42:56,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 07:42:56,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 07:42:56,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 73 transitions. [2019-11-20 07:42:56,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:42:56,021 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 73 transitions. [2019-11-20 07:42:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 73 transitions. [2019-11-20 07:42:56,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-20 07:42:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-20 07:42:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2019-11-20 07:42:56,026 INFO L711 BuchiCegarLoop]: Abstraction has 54 states and 73 transitions. [2019-11-20 07:42:56,026 INFO L591 BuchiCegarLoop]: Abstraction has 54 states and 73 transitions. [2019-11-20 07:42:56,026 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 07:42:56,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 73 transitions. [2019-11-20 07:42:56,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:56,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:56,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:56,028 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 07:42:56,028 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:56,028 INFO L794 eck$LassoCheckResult]: Stem: 1117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1115#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 1116#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 1144#L555-1 assume !test_fun_#t~short8; 1118#L555-3 [2019-11-20 07:42:56,028 INFO L796 eck$LassoCheckResult]: Loop: 1118#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 1119#L555-4 assume !test_fun_#t~short13;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short12 := test_fun_#t~mem9 < 0; 1122#L555-6 assume test_fun_#t~short12;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short12 := test_fun_#t~mem11 > -2147483648 - test_fun_#t~mem10; 1092#L555-8 test_fun_#t~short13 := test_fun_#t~short12; 1093#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 1100#L555-10 assume !test_fun_#t~short16; 1107#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1102#L556 assume !(test_fun_#t~mem17 > test_fun_#t~mem18);havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem20 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem21 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1103#L559 assume test_fun_#t~mem20 == test_fun_#t~mem21;havoc test_fun_#t~mem21;havoc test_fun_#t~mem20;call test_fun_#t~mem22 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem22 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem22; 1096#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 1097#L555-1 assume !test_fun_#t~short8; 1118#L555-3 [2019-11-20 07:42:56,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:56,029 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2019-11-20 07:42:56,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:56,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605107912] [2019-11-20 07:42:56,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:56,050 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:56,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:56,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1675651104, now seen corresponding path program 1 times [2019-11-20 07:42:56,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:56,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970583930] [2019-11-20 07:42:56,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:56,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970583930] [2019-11-20 07:42:56,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:42:56,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:42:56,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870504581] [2019-11-20 07:42:56,091 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 07:42:56,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:42:56,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:42:56,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:42:56,091 INFO L87 Difference]: Start difference. First operand 54 states and 73 transitions. cyclomatic complexity: 23 Second operand 3 states. [2019-11-20 07:42:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:42:56,113 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2019-11-20 07:42:56,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:42:56,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2019-11-20 07:42:56,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:56,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 54 states and 69 transitions. [2019-11-20 07:42:56,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 07:42:56,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 07:42:56,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 69 transitions. [2019-11-20 07:42:56,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:42:56,117 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 69 transitions. [2019-11-20 07:42:56,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 69 transitions. [2019-11-20 07:42:56,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-20 07:42:56,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-20 07:42:56,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2019-11-20 07:42:56,126 INFO L711 BuchiCegarLoop]: Abstraction has 54 states and 69 transitions. [2019-11-20 07:42:56,127 INFO L591 BuchiCegarLoop]: Abstraction has 54 states and 69 transitions. [2019-11-20 07:42:56,127 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 07:42:56,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 69 transitions. [2019-11-20 07:42:56,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:56,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:56,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:56,129 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 07:42:56,129 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:56,129 INFO L794 eck$LassoCheckResult]: Stem: 1235#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1234#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 1214#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 1215#L555-1 assume !test_fun_#t~short8; 1236#L555-3 [2019-11-20 07:42:56,130 INFO L796 eck$LassoCheckResult]: Loop: 1236#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 1237#L555-4 assume !test_fun_#t~short13;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short12 := test_fun_#t~mem9 < 0; 1240#L555-6 assume test_fun_#t~short12;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short12 := test_fun_#t~mem11 > -2147483648 - test_fun_#t~mem10; 1210#L555-8 test_fun_#t~short13 := test_fun_#t~short12; 1211#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 1219#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 1226#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1221#L556 assume !(test_fun_#t~mem17 > test_fun_#t~mem18);havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem20 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem21 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1222#L559 assume test_fun_#t~mem20 == test_fun_#t~mem21;havoc test_fun_#t~mem21;havoc test_fun_#t~mem20;call test_fun_#t~mem22 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem22 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem22; 1243#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 1246#L555-1 assume !test_fun_#t~short8; 1236#L555-3 [2019-11-20 07:42:56,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:56,130 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2019-11-20 07:42:56,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:56,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080499621] [2019-11-20 07:42:56,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:56,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:56,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:56,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1732909406, now seen corresponding path program 1 times [2019-11-20 07:42:56,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:56,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146245811] [2019-11-20 07:42:56,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:56,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146245811] [2019-11-20 07:42:56,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:42:56,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 07:42:56,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070831906] [2019-11-20 07:42:56,269 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 07:42:56,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:42:56,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 07:42:56,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:42:56,269 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. cyclomatic complexity: 19 Second operand 7 states. [2019-11-20 07:42:56,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:42:56,399 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2019-11-20 07:42:56,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:42:56,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 93 transitions. [2019-11-20 07:42:56,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:56,403 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 86 transitions. [2019-11-20 07:42:56,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 07:42:56,403 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 07:42:56,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 86 transitions. [2019-11-20 07:42:56,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:42:56,404 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 86 transitions. [2019-11-20 07:42:56,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 86 transitions. [2019-11-20 07:42:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-20 07:42:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-20 07:42:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2019-11-20 07:42:56,410 INFO L711 BuchiCegarLoop]: Abstraction has 71 states and 86 transitions. [2019-11-20 07:42:56,410 INFO L591 BuchiCegarLoop]: Abstraction has 71 states and 86 transitions. [2019-11-20 07:42:56,410 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 07:42:56,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 86 transitions. [2019-11-20 07:42:56,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 07:42:56,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:42:56,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:42:56,411 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 07:42:56,411 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:42:56,411 INFO L794 eck$LassoCheckResult]: Stem: 1378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1376#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~nondet26, main_#t~ret27;test_fun_#in~x, test_fun_#in~y := main_#t~nondet25, main_#t~nondet26;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem21, test_fun_#t~mem22, test_fun_#t~mem23, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem24, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 1377#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 1413#L555-1 assume !test_fun_#t~short8; 1379#L555-3 [2019-11-20 07:42:56,412 INFO L796 eck$LassoCheckResult]: Loop: 1379#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 1380#L555-4 assume !test_fun_#t~short13;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short12 := test_fun_#t~mem9 < 0; 1382#L555-6 assume !test_fun_#t~short12; 1358#L555-8 test_fun_#t~short13 := test_fun_#t~short12; 1359#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 1366#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 1372#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem9;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem15;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem14;havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem18 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1368#L556 assume !(test_fun_#t~mem17 > test_fun_#t~mem18);havoc test_fun_#t~mem18;havoc test_fun_#t~mem17;call test_fun_#t~mem20 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem21 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1369#L559 assume test_fun_#t~mem20 == test_fun_#t~mem21;havoc test_fun_#t~mem21;havoc test_fun_#t~mem20;call test_fun_#t~mem22 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem22 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem22; 1362#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 1363#L555-1 assume !test_fun_#t~short8; 1379#L555-3 [2019-11-20 07:42:56,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:56,412 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 4 times [2019-11-20 07:42:56,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:56,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685094700] [2019-11-20 07:42:56,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:42:56,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:42:56,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:42:56,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1052851036, now seen corresponding path program 1 times [2019-11-20 07:42:56,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:42:56,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104972346] [2019-11-20 07:42:56,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:42:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:42:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:42:56,464 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104972346] [2019-11-20 07:42:56,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:42:56,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 07:42:56,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604477501] [2019-11-20 07:42:56,466 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 07:42:56,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:42:56,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:42:56,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:42:56,467 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. cyclomatic complexity: 19 Second operand 5 states. [2019-11-20 07:42:56,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:42:56,515 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2019-11-20 07:42:56,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:42:56,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 62 transitions. [2019-11-20 07:42:56,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:42:56,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2019-11-20 07:42:56,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 07:42:56,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 07:42:56,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 07:42:56,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 07:42:56,518 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:42:56,518 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:42:56,518 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:42:56,518 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-20 07:42:56,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:42:56,518 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:42:56,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 07:42:56,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:42:56 BoogieIcfgContainer [2019-11-20 07:42:56,526 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 07:42:56,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:42:56,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:42:56,527 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:42:56,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:40" (3/4) ... [2019-11-20 07:42:56,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 07:42:56,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:42:56,533 INFO L168 Benchmark]: Toolchain (without parser) took 17179.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 940.7 MB in the beginning and 897.1 MB in the end (delta: 43.6 MB). Peak memory consumption was 343.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:42:56,534 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:42:56,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:42:56,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:42:56,535 INFO L168 Benchmark]: Boogie Preprocessor took 34.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:42:56,536 INFO L168 Benchmark]: RCFGBuilder took 412.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:42:56,536 INFO L168 Benchmark]: BuchiAutomizer took 16009.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 897.1 MB in the end (delta: 197.1 MB). Peak memory consumption was 357.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:42:56,537 INFO L168 Benchmark]: Witness Printer took 5.38 ms. Allocated memory is still 1.3 GB. Free memory is still 897.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:42:56,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 663.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 412.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16009.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 897.1 MB in the end (delta: 197.1 MB). Peak memory consumption was 357.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.38 ms. Allocated memory is still 1.3 GB. Free memory is still 897.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.9s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 14.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 71 states and ocurred in iteration 7. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 80 SDslu, 179 SDs, 0 SdLazy, 214 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital501 mio100 ax104 hnf99 lsp73 ukn72 mio100 lsp30 div100 bol107 ite100 ukn100 eq162 hnf90 smp91 dnf263 smp65 tf100 neg99 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 174ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...