./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25c50494ad64d3207b5cd57d9b83fbf1aea0c348 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:49:21,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:49:21,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:49:21,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:49:21,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:49:21,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:49:21,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:49:21,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:49:21,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:49:21,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:49:21,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:49:21,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:49:21,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:49:21,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:49:21,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:49:21,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:49:21,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:49:21,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:49:21,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:49:21,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:49:21,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:49:21,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:49:21,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:49:21,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:49:21,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:49:21,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:49:21,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:49:21,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:49:21,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:49:21,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:49:21,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:49:21,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:49:21,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:49:21,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:49:21,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:49:21,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:49:21,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:49:21,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:49:21,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:49:21,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:49:21,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:49:21,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:49:21,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:49:21,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:49:21,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:49:21,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:49:21,639 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:49:21,640 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:49:21,640 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:49:21,640 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:49:21,640 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:49:21,640 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:49:21,640 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:49:21,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:49:21,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:49:21,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:49:21,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:49:21,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:49:21,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:49:21,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:49:21,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:49:21,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:49:21,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:49:21,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:49:21,643 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:49:21,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:49:21,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:49:21,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:49:21,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:49:21,644 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:49:21,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:49:21,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:49:21,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:49:21,644 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:49:21,645 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:49:21,645 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_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25c50494ad64d3207b5cd57d9b83fbf1aea0c348 [2019-12-07 18:49:21,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:49:21,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:49:21,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:49:21,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:49:21,759 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:49:21,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2019-12-07 18:49:21,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/data/1330ddb24/d6ac57e77bf14484b0e1e33d2f6c5512/FLAG6bda5bfc2 [2019-12-07 18:49:22,271 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:49:22,272 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2019-12-07 18:49:22,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/data/1330ddb24/d6ac57e77bf14484b0e1e33d2f6c5512/FLAG6bda5bfc2 [2019-12-07 18:49:22,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/data/1330ddb24/d6ac57e77bf14484b0e1e33d2f6c5512 [2019-12-07 18:49:22,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:49:22,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:49:22,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:49:22,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:49:22,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:49:22,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8b58c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22, skipping insertion in model container [2019-12-07 18:49:22,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:49:22,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:49:22,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:49:22,592 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:49:22,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:49:22,676 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:49:22,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22 WrapperNode [2019-12-07 18:49:22,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:49:22,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:49:22,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:49:22,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:49:22,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:49:22,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:49:22,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:49:22,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:49:22,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... [2019-12-07 18:49:22,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:49:22,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:49:22,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:49:22,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:49:22,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:49:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:49:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:49:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:49:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:49:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:49:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:49:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:49:22,936 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:49:22,936 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-07 18:49:22,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:49:22 BoogieIcfgContainer [2019-12-07 18:49:22,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:49:22,937 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:49:22,937 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:49:22,940 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:49:22,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:49:22,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:49:22" (1/3) ... [2019-12-07 18:49:22,941 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e582420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:49:22, skipping insertion in model container [2019-12-07 18:49:22,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:49:22,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:49:22" (2/3) ... [2019-12-07 18:49:22,941 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e582420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:49:22, skipping insertion in model container [2019-12-07 18:49:22,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:49:22,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:49:22" (3/3) ... [2019-12-07 18:49:22,943 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_2.i [2019-12-07 18:49:22,970 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:49:22,970 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:49:22,970 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:49:22,970 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:49:22,971 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:49:22,971 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:49:22,971 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:49:22,971 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:49:22,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 18:49:22,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 18:49:22,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:49:22,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:49:22,998 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:49:22,998 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:49:22,998 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:49:22,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 18:49:22,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 18:49:22,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:49:22,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:49:22,999 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:49:22,999 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:49:23,003 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 11#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 17#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 12#L766true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 15#L767-3true [2019-12-07 18:49:23,003 INFO L796 eck$LassoCheckResult]: Loop: 15#L767-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 6#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 18#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 8#L769true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 14#L767-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 15#L767-3true [2019-12-07 18:49:23,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:23,007 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-12-07 18:49:23,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:23,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579083172] [2019-12-07 18:49:23,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:49:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:49:23,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579083172] [2019-12-07 18:49:23,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:49:23,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:49:23,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75059494] [2019-12-07 18:49:23,133 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:49:23,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:23,133 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2019-12-07 18:49:23,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:23,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810049354] [2019-12-07 18:49:23,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,179 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:23,323 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-12-07 18:49:23,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:49:23,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:49:23,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:49:23,399 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-12-07 18:49:23,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:49:23,442 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-12-07 18:49:23,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:49:23,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-12-07 18:49:23,445 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-12-07 18:49:23,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 23 transitions. [2019-12-07 18:49:23,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 18:49:23,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 18:49:23,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2019-12-07 18:49:23,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:49:23,449 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 18:49:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2019-12-07 18:49:23,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-12-07 18:49:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 18:49:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-12-07 18:49:23,467 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-12-07 18:49:23,467 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-12-07 18:49:23,467 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:49:23,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2019-12-07 18:49:23,467 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 18:49:23,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:49:23,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:49:23,468 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 18:49:23,468 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 18:49:23,468 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 69#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 70#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 71#L767-3 [2019-12-07 18:49:23,468 INFO L796 eck$LassoCheckResult]: Loop: 71#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 64#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 65#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 66#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 68#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 71#L767-3 [2019-12-07 18:49:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:23,468 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2019-12-07 18:49:23,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:23,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24464826] [2019-12-07 18:49:23,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,488 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:23,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:23,488 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2019-12-07 18:49:23,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:23,488 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650773236] [2019-12-07 18:49:23,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,505 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:23,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:23,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2019-12-07 18:49:23,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:23,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614103098] [2019-12-07 18:49:23,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:23,539 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:23,648 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-12-07 18:49:23,834 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-12-07 18:49:23,899 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:49:23,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:49:23,900 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:49:23,900 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:49:23,900 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:49:23,900 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:23,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:49:23,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:49:23,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration2_Lasso [2019-12-07 18:49:23,900 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:49:23,901 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:49:23,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:23,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:23,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:23,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:24,536 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:49:24,540 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:24,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:24,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:24,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:24,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:24,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:24,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:24,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:24,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:24,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:24,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:24,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:24,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:24,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:24,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:24,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:24,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:24,611 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:24,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:24,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:24,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,625 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 18:49:24,625 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:49:24,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,641 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 18:49:24,641 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:49:24,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:24,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:24,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:24,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:24,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:24,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:24,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:24,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:49:24,731 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 18:49:24,732 INFO L444 ModelExtractionUtils]: 24 out of 43 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:24,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:49:24,743 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:49:24,743 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:49:24,744 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~0) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~0 Supporting invariants [] [2019-12-07 18:49:24,763 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-12-07 18:49:24,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:49:24,795 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:49:24,796 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:49:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:49:24,807 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:49:24,808 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:49:24,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:49:24,818 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:49:24,819 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-12-07 18:49:24,846 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 21 states and 26 transitions. Complement of second has 4 states. [2019-12-07 18:49:24,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:49:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:49:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-12-07 18:49:24,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 5 letters. [2019-12-07 18:49:24,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:49:24,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 5 letters. [2019-12-07 18:49:24,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:49:24,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 18:49:24,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:49:24,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-12-07 18:49:24,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:49:24,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2019-12-07 18:49:24,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 18:49:24,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 18:49:24,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2019-12-07 18:49:24,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:49:24,852 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:49:24,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2019-12-07 18:49:24,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 18:49:24,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:49:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 18:49:24,853 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:49:24,853 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:49:24,853 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:49:24,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-12-07 18:49:24,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:49:24,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:49:24,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:49:24,854 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:49:24,854 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:49:24,854 INFO L794 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 176#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 166#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 167#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 177#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 178#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 168#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 169#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 172#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 173#L769-1 entry_point_~j~0 := entry_point_~i~0 - 1; 165#L774-3 [2019-12-07 18:49:24,855 INFO L796 eck$LassoCheckResult]: Loop: 165#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 164#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 165#L774-3 [2019-12-07 18:49:24,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:24,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1173218534, now seen corresponding path program 1 times [2019-12-07 18:49:24,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:24,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140744820] [2019-12-07 18:49:24,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:24,872 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:24,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:24,873 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2019-12-07 18:49:24,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:24,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945968572] [2019-12-07 18:49:24,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:24,879 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:24,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:24,879 INFO L82 PathProgramCache]: Analyzing trace with hash 2113389244, now seen corresponding path program 1 times [2019-12-07 18:49:24,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:24,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755549462] [2019-12-07 18:49:24,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:49:24,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:49:24,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755549462] [2019-12-07 18:49:24,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:49:24,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:49:24,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020009512] [2019-12-07 18:49:24,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:49:24,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:49:24,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:49:24,926 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-12-07 18:49:24,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:49:24,947 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2019-12-07 18:49:24,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:49:24,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2019-12-07 18:49:24,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:49:24,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2019-12-07 18:49:24,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 18:49:24,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 18:49:24,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2019-12-07 18:49:24,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:49:24,949 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-12-07 18:49:24,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2019-12-07 18:49:24,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-12-07 18:49:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:49:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-12-07 18:49:24,951 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 18:49:24,951 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 18:49:24,951 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:49:24,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-12-07 18:49:24,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:49:24,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:49:24,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:49:24,952 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:49:24,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:49:24,952 INFO L794 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 230#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 220#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 221#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 231#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 232#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 224#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 225#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 228#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 229#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 234#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 222#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 223#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 226#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 227#L769-1 entry_point_~j~0 := entry_point_~i~0 - 1; 219#L774-3 [2019-12-07 18:49:24,952 INFO L796 eck$LassoCheckResult]: Loop: 219#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 218#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 219#L774-3 [2019-12-07 18:49:24,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:24,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1659616398, now seen corresponding path program 1 times [2019-12-07 18:49:24,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:24,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220170978] [2019-12-07 18:49:24,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:49:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:49:24,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220170978] [2019-12-07 18:49:24,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:49:24,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:49:24,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054175604] [2019-12-07 18:49:24,978 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:49:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:24,979 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 2 times [2019-12-07 18:49:24,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:24,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138606912] [2019-12-07 18:49:24,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:24,984 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:25,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:49:25,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:49:25,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:49:25,007 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-12-07 18:49:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:49:25,029 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-12-07 18:49:25,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:49:25,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. [2019-12-07 18:49:25,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 18:49:25,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 24 transitions. [2019-12-07 18:49:25,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-12-07 18:49:25,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 18:49:25,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2019-12-07 18:49:25,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:49:25,032 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-12-07 18:49:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2019-12-07 18:49:25,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2019-12-07 18:49:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:49:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-12-07 18:49:25,034 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-12-07 18:49:25,034 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-12-07 18:49:25,034 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:49:25,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2019-12-07 18:49:25,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:49:25,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:49:25,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:49:25,035 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:49:25,035 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:49:25,036 INFO L794 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 280#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 270#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 271#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 281#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 282#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 274#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 275#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 278#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 279#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 284#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 272#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 273#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 276#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 277#L769-1 entry_point_~j~0 := entry_point_~i~0 - 1; 269#L774-3 [2019-12-07 18:49:25,036 INFO L796 eck$LassoCheckResult]: Loop: 269#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 268#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 269#L774-3 [2019-12-07 18:49:25,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:25,036 INFO L82 PathProgramCache]: Analyzing trace with hash 979558028, now seen corresponding path program 1 times [2019-12-07 18:49:25,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:25,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887942041] [2019-12-07 18:49:25,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:25,065 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:25,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:25,066 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 3 times [2019-12-07 18:49:25,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:25,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848075885] [2019-12-07 18:49:25,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:25,073 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:25,073 INFO L82 PathProgramCache]: Analyzing trace with hash 757428654, now seen corresponding path program 1 times [2019-12-07 18:49:25,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:49:25,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177243747] [2019-12-07 18:49:25,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:49:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:25,104 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:49:25,535 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-12-07 18:49:25,634 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:49:25,634 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:49:25,635 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:49:25,635 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:49:25,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:49:25,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:25,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:49:25,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:49:25,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration5_Lasso [2019-12-07 18:49:25,635 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:49:25,635 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:49:25,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:25,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:49:26,042 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-07 18:49:26,093 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:49:26,093 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,129 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 [2019-12-07 18:49:26,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:49:26,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:49:26,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:49:26,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,262 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-12-07 18:49:26,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,266 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:49:26,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:49:26,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:49:26,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:49:26,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:49:26,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:49:26,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:49:26,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:49:26,293 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:49:26,311 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-12-07 18:49:26,312 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b742784f-0a2e-407d-ae6d-f4ae50caf3d2/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:49:26,314 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:49:26,316 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:49:26,316 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:49:26,316 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0) = 2*ULTIMATE.start_entry_point_~j~0 + 1 Supporting invariants [] [2019-12-07 18:49:26,330 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 18:49:26,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:49:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:49:26,350 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:49:26,351 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:49:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:49:26,355 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:49:26,355 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:49:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:49:26,361 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 18:49:26,361 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-12-07 18:49:26,368 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 19 states and 22 transitions. Complement of second has 4 states. [2019-12-07 18:49:26,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:49:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:49:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-12-07 18:49:26,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2019-12-07 18:49:26,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:49:26,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 17 letters. Loop has 2 letters. [2019-12-07 18:49:26,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:49:26,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2019-12-07 18:49:26,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:49:26,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2019-12-07 18:49:26,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:49:26,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2019-12-07 18:49:26,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:49:26,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:49:26,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:49:26,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:49:26,370 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:49:26,370 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:49:26,370 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:49:26,370 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 18:49:26,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:49:26,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:49:26,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:49:26,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:49:26 BoogieIcfgContainer [2019-12-07 18:49:26,375 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:49:26,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:49:26,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:49:26,375 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:49:26,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:49:22" (3/4) ... [2019-12-07 18:49:26,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:49:26,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:49:26,379 INFO L168 Benchmark]: Toolchain (without parser) took 4080.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:49:26,379 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:49:26,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:26,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:49:26,380 INFO L168 Benchmark]: Boogie Preprocessor took 19.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:49:26,380 INFO L168 Benchmark]: RCFGBuilder took 205.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:26,381 INFO L168 Benchmark]: BuchiAutomizer took 3437.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -78.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:49:26,381 INFO L168 Benchmark]: Witness Printer took 2.60 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. [2019-12-07 18:49:26,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 205.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3437.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 61.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -78.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.60 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i and consists of 3 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 85 SDtfs, 59 SDslu, 71 SDs, 0 SdLazy, 59 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital255 mio100 ax111 hnf101 lsp83 ukn55 mio100 lsp57 div100 bol100 ite100 ukn100 eq190 hnf92 smp100 dnf112 smp92 tf100 neg96 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 7 VariablesLoop: 8 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...