./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 bb53649e57c73811eb036860baf1102917fa8259 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 06:04:00,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 06:04:00,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 06:04:01,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 06:04:01,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 06:04:01,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 06:04:01,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 06:04:01,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 06:04:01,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 06:04:01,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 06:04:01,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 06:04:01,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 06:04:01,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 06:04:01,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 06:04:01,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 06:04:01,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 06:04:01,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 06:04:01,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 06:04:01,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 06:04:01,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 06:04:01,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 06:04:01,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 06:04:01,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 06:04:01,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 06:04:01,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 06:04:01,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 06:04:01,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 06:04:01,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 06:04:01,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 06:04:01,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 06:04:01,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 06:04:01,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 06:04:01,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 06:04:01,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 06:04:01,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 06:04:01,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 06:04:01,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 06:04:01,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 06:04:01,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 06:04:01,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 06:04:01,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 06:04:01,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 06:04:01,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 06:04:01,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 06:04:01,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 06:04:01,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 06:04:01,120 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 06:04:01,120 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 06:04:01,120 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 06:04:01,121 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 06:04:01,121 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 06:04:01,121 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 06:04:01,121 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 06:04:01,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 06:04:01,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 06:04:01,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 06:04:01,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 06:04:01,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 06:04:01,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 06:04:01,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 06:04:01,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 06:04:01,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 06:04:01,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 06:04:01,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 06:04:01,124 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 06:04:01,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 06:04:01,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 06:04:01,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 06:04:01,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 06:04:01,125 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 06:04:01,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 06:04:01,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 06:04:01,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 06:04:01,126 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 06:04:01,127 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 06:04:01,128 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb53649e57c73811eb036860baf1102917fa8259 [2020-10-26 06:04:01,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 06:04:01,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 06:04:01,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 06:04:01,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 06:04:01,539 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 06:04:01,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2020-10-26 06:04:01,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959445e08/c874a8f9810a40ef987ea2ae8cf117fe/FLAGe0f8f7f87 [2020-10-26 06:04:02,441 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 06:04:02,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2020-10-26 06:04:02,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959445e08/c874a8f9810a40ef987ea2ae8cf117fe/FLAGe0f8f7f87 [2020-10-26 06:04:02,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959445e08/c874a8f9810a40ef987ea2ae8cf117fe [2020-10-26 06:04:02,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 06:04:02,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 06:04:02,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 06:04:02,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 06:04:02,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 06:04:02,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:04:02" (1/1) ... [2020-10-26 06:04:02,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404ee15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:02, skipping insertion in model container [2020-10-26 06:04:02,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:04:02" (1/1) ... [2020-10-26 06:04:02,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 06:04:02,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 06:04:03,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 06:04:03,293 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 06:04:03,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 06:04:03,535 INFO L208 MainTranslator]: Completed translation [2020-10-26 06:04:03,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03 WrapperNode [2020-10-26 06:04:03,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 06:04:03,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 06:04:03,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 06:04:03,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 06:04:03,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 06:04:03,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 06:04:03,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 06:04:03,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 06:04:03,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... [2020-10-26 06:04:03,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 06:04:03,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 06:04:03,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 06:04:03,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 06:04:03,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 06:04:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 06:04:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 06:04:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-26 06:04:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 06:04:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-26 06:04:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 06:04:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 06:04:04,215 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 06:04:04,215 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-26 06:04:04,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:04:04 BoogieIcfgContainer [2020-10-26 06:04:04,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 06:04:04,219 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 06:04:04,219 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 06:04:04,223 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 06:04:04,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:04:04,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 06:04:02" (1/3) ... [2020-10-26 06:04:04,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54c5fb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 06:04:04, skipping insertion in model container [2020-10-26 06:04:04,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:04:04,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:04:03" (2/3) ... [2020-10-26 06:04:04,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54c5fb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 06:04:04, skipping insertion in model container [2020-10-26 06:04:04,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 06:04:04,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:04:04" (3/3) ... [2020-10-26 06:04:04,228 INFO L373 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_1.i [2020-10-26 06:04:04,279 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 06:04:04,280 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 06:04:04,280 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 06:04:04,280 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 06:04:04,280 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 06:04:04,280 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 06:04:04,280 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 06:04:04,281 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 06:04:04,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-10-26 06:04:04,326 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-10-26 06:04:04,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:04,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:04,334 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:04,334 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:04,334 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 06:04:04,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-10-26 06:04:04,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-10-26 06:04:04,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:04,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:04,339 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:04,339 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:04,345 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 10#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 16#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 11#L766true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 14#L767-3true [2020-10-26 06:04:04,346 INFO L796 eck$LassoCheckResult]: Loop: 14#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; 17#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; 9#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); 13#L767-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 14#L767-3true [2020-10-26 06:04:04,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:04,354 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2020-10-26 06:04:04,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:04,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775262970] [2020-10-26 06:04:04,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:04,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775262970] [2020-10-26 06:04:04,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 06:04:04,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 06:04:04,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456702774] [2020-10-26 06:04:04,585 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 06:04:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:04,586 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2020-10-26 06:04:04,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:04,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780711039] [2020-10-26 06:04:04,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:04,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:04,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:04,649 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:04,941 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-10-26 06:04:05,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 06:04:05,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 06:04:05,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 06:04:05,070 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2020-10-26 06:04:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 06:04:05,151 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-26 06:04:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 06:04:05,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2020-10-26 06:04:05,157 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-26 06:04:05,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 25 transitions. [2020-10-26 06:04:05,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-10-26 06:04:05,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-10-26 06:04:05,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2020-10-26 06:04:05,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 06:04:05,164 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2020-10-26 06:04:05,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2020-10-26 06:04:05,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2020-10-26 06:04:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-26 06:04:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2020-10-26 06:04:05,194 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-10-26 06:04:05,194 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-10-26 06:04:05,195 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 06:04:05,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2020-10-26 06:04:05,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-10-26 06:04:05,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:05,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:05,197 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:05,197 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 06:04:05,197 INFO L794 eck$LassoCheckResult]: Stem: 69#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); 66#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; 59#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; 60#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; 67#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 68#L767-3 [2020-10-26 06:04:05,198 INFO L796 eck$LassoCheckResult]: Loop: 68#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 64#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$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); 65#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 68#L767-3 [2020-10-26 06:04:05,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:05,198 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2020-10-26 06:04:05,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:05,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146786344] [2020-10-26 06:04:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:05,215 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:05,229 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:05,234 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:05,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:05,236 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2020-10-26 06:04:05,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:05,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374919491] [2020-10-26 06:04:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:05,252 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:05,265 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:05,270 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:05,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:05,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2020-10-26 06:04:05,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:05,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469234494] [2020-10-26 06:04:05,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:05,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:05,376 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:05,396 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:05,585 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-10-26 06:04:05,847 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2020-10-26 06:04:05,948 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 06:04:05,949 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 06:04:05,949 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 06:04:05,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 06:04:05,950 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 06:04:05,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:05,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 06:04:05,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 06:04:05,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration2_Lasso [2020-10-26 06:04:05,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 06:04:05,952 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 06:04:05,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:05,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:05,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:05,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:05,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:05,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,272 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-26 06:04:06,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:06,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:07,105 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2020-10-26 06:04:07,222 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 06:04:07,227 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:07,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:07,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:07,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:07,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:07,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:07,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:07,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:07,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:07,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:07,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:07,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:07,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:07,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:07,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:07,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:07,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:07,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:07,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:07,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:07,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:07,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:07,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:07,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:07,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:07,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:07,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:07,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:07,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:07,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:07,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:07,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:07,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:07,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:07,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:07,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:07,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 06:04:07,694 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-26 06:04:07,695 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:07,707 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 06:04:07,712 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 06:04:07,712 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 06:04:07,713 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0, ULTIMATE.start_entry_point_~len~0) = -1*ULTIMATE.start_entry_point_~i~0 + 1*ULTIMATE.start_entry_point_~len~0 Supporting invariants [] [2020-10-26 06:04:07,892 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2020-10-26 06:04:07,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:07,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 06:04:07,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:04:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:07,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 06:04:07,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:04:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:08,055 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 [2020-10-26 06:04:08,056 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-10-26 06:04:08,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 6 states. [2020-10-26 06:04:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 06:04:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 06:04:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2020-10-26 06:04:08,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2020-10-26 06:04:08,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:08,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2020-10-26 06:04:08,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:08,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2020-10-26 06:04:08,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:08,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2020-10-26 06:04:08,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 06:04:08,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2020-10-26 06:04:08,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-26 06:04:08,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-10-26 06:04:08,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2020-10-26 06:04:08,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 06:04:08,119 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-10-26 06:04:08,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2020-10-26 06:04:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2020-10-26 06:04:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-26 06:04:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2020-10-26 06:04:08,122 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-26 06:04:08,122 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-26 06:04:08,122 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 06:04:08,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2020-10-26 06:04:08,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 06:04:08,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:08,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:08,124 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 06:04:08,124 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 06:04:08,125 INFO L794 eck$LassoCheckResult]: Stem: 185#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); 182#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; 172#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; 173#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; 183#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 184#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 170#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 171#L773-3 [2020-10-26 06:04:08,125 INFO L796 eck$LassoCheckResult]: Loop: 171#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 174#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 171#L773-3 [2020-10-26 06:04:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1804968475, now seen corresponding path program 1 times [2020-10-26 06:04:08,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562736138] [2020-10-26 06:04:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:08,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562736138] [2020-10-26 06:04:08,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 06:04:08,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 06:04:08,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166556640] [2020-10-26 06:04:08,176 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 06:04:08,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,177 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 1 times [2020-10-26 06:04:08,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552880873] [2020-10-26 06:04:08,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,184 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,188 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,190 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:08,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 06:04:08,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 06:04:08,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 06:04:08,226 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-10-26 06:04:08,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 06:04:08,249 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2020-10-26 06:04:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 06:04:08,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2020-10-26 06:04:08,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 06:04:08,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2020-10-26 06:04:08,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-26 06:04:08,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-10-26 06:04:08,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2020-10-26 06:04:08,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 06:04:08,253 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2020-10-26 06:04:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2020-10-26 06:04:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2020-10-26 06:04:08,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-26 06:04:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2020-10-26 06:04:08,256 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-26 06:04:08,256 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-26 06:04:08,257 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 06:04:08,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2020-10-26 06:04:08,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 06:04:08,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:08,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:08,258 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 06:04:08,258 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 06:04:08,259 INFO L794 eck$LassoCheckResult]: Stem: 236#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 233#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; 223#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; 224#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; 234#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 235#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; 226#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 227#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; 230#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 221#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 222#L773-3 [2020-10-26 06:04:08,259 INFO L796 eck$LassoCheckResult]: Loop: 222#L773-3 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; 225#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 222#L773-3 [2020-10-26 06:04:08,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1173218535, now seen corresponding path program 1 times [2020-10-26 06:04:08,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296388177] [2020-10-26 06:04:08,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,288 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,295 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:08,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,300 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 2 times [2020-10-26 06:04:08,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268121188] [2020-10-26 06:04:08,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,322 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:08,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,323 INFO L82 PathProgramCache]: Analyzing trace with hash 2113388251, now seen corresponding path program 1 times [2020-10-26 06:04:08,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164725852] [2020-10-26 06:04:08,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:08,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164725852] [2020-10-26 06:04:08,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 06:04:08,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 06:04:08,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681666410] [2020-10-26 06:04:08,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 06:04:08,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 06:04:08,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 06:04:08,433 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2020-10-26 06:04:08,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 06:04:08,485 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2020-10-26 06:04:08,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 06:04:08,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2020-10-26 06:04:08,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 06:04:08,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2020-10-26 06:04:08,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-10-26 06:04:08,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-10-26 06:04:08,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2020-10-26 06:04:08,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 06:04:08,492 INFO L691 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2020-10-26 06:04:08,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2020-10-26 06:04:08,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2020-10-26 06:04:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-26 06:04:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2020-10-26 06:04:08,499 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-10-26 06:04:08,499 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-10-26 06:04:08,500 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 06:04:08,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2020-10-26 06:04:08,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 06:04:08,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:08,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:08,501 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 06:04:08,503 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 06:04:08,504 INFO L794 eck$LassoCheckResult]: Stem: 290#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 287#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; 277#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; 278#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; 288#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 289#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; 282#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 283#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; 285#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 286#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 291#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 275#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 276#L773-3 [2020-10-26 06:04:08,504 INFO L796 eck$LassoCheckResult]: Loop: 276#L773-3 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; 279#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 276#L773-3 [2020-10-26 06:04:08,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,505 INFO L82 PathProgramCache]: Analyzing trace with hash 2113443111, now seen corresponding path program 1 times [2020-10-26 06:04:08,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172285721] [2020-10-26 06:04:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:08,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172285721] [2020-10-26 06:04:08,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 06:04:08,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 06:04:08,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026230545] [2020-10-26 06:04:08,579 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 06:04:08,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,579 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 3 times [2020-10-26 06:04:08,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581681663] [2020-10-26 06:04:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,602 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:08,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 06:04:08,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 06:04:08,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 06:04:08,640 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-10-26 06:04:08,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 06:04:08,678 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2020-10-26 06:04:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 06:04:08,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2020-10-26 06:04:08,683 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2020-10-26 06:04:08,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2020-10-26 06:04:08,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-10-26 06:04:08,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-10-26 06:04:08,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2020-10-26 06:04:08,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 06:04:08,685 INFO L691 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2020-10-26 06:04:08,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2020-10-26 06:04:08,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2020-10-26 06:04:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-26 06:04:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2020-10-26 06:04:08,690 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-10-26 06:04:08,690 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-10-26 06:04:08,690 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-26 06:04:08,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2020-10-26 06:04:08,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 06:04:08,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:08,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:08,694 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 06:04:08,694 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 06:04:08,695 INFO L794 eck$LassoCheckResult]: Stem: 343#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); 340#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; 330#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; 331#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; 341#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 342#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; 335#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; 336#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; 338#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); 339#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 344#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 328#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 329#L773-3 [2020-10-26 06:04:08,695 INFO L796 eck$LassoCheckResult]: Loop: 329#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$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; 332#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 329#L773-3 [2020-10-26 06:04:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2056184809, now seen corresponding path program 1 times [2020-10-26 06:04:08,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572432233] [2020-10-26 06:04:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:08,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572432233] [2020-10-26 06:04:08,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720236216] [2020-10-26 06:04:08,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 06:04:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:08,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 06:04:08,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:04:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:08,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-26 06:04:08,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-10-26 06:04:08,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337340015] [2020-10-26 06:04:08,910 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 06:04:08,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:08,911 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 4 times [2020-10-26 06:04:08,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:08,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502152652] [2020-10-26 06:04:08,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:08,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:08,927 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:08,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 06:04:08,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 06:04:08,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-10-26 06:04:08,969 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 7 states. [2020-10-26 06:04:09,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 06:04:09,020 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2020-10-26 06:04:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 06:04:09,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2020-10-26 06:04:09,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-26 06:04:09,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2020-10-26 06:04:09,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-26 06:04:09,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-10-26 06:04:09,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2020-10-26 06:04:09,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 06:04:09,026 INFO L691 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2020-10-26 06:04:09,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2020-10-26 06:04:09,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2020-10-26 06:04:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-26 06:04:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-10-26 06:04:09,032 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-10-26 06:04:09,032 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-10-26 06:04:09,032 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-26 06:04:09,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2020-10-26 06:04:09,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 06:04:09,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 06:04:09,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 06:04:09,034 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 06:04:09,034 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 06:04:09,036 INFO L794 eck$LassoCheckResult]: Stem: 435#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 432#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; 422#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; 423#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; 433#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 434#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; 437#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; 438#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; 430#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 431#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 436#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 425#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 426#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 429#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 420#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 421#L773-3 [2020-10-26 06:04:09,036 INFO L796 eck$LassoCheckResult]: Loop: 421#L773-3 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; 424#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 421#L773-3 [2020-10-26 06:04:09,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:09,037 INFO L82 PathProgramCache]: Analyzing trace with hash 979558027, now seen corresponding path program 1 times [2020-10-26 06:04:09,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:09,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244441367] [2020-10-26 06:04:09,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:09,067 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:09,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:09,103 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:09,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 5 times [2020-10-26 06:04:09,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:09,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855623601] [2020-10-26 06:04:09,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:09,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:09,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:09,120 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:09,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:09,125 INFO L82 PathProgramCache]: Analyzing trace with hash 757427661, now seen corresponding path program 1 times [2020-10-26 06:04:09,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 06:04:09,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636196657] [2020-10-26 06:04:09,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 06:04:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:09,160 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 06:04:09,185 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 06:04:09,192 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 06:04:09,949 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2020-10-26 06:04:10,133 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-26 06:04:10,135 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 06:04:10,135 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 06:04:10,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 06:04:10,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 06:04:10,136 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 06:04:10,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:10,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 06:04:10,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 06:04:10,136 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration7_Lasso [2020-10-26 06:04:10,136 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 06:04:10,136 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 06:04:10,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,449 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-10-26 06:04:10,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:10,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 06:04:11,073 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2020-10-26 06:04:11,146 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 06:04:11,146 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,156 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 [2020-10-26 06:04:11,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:11,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:11,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,611 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:11,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:11,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:11,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 06:04:11,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 06:04:11,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 06:04:11,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 06:04:11,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 06:04:11,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 06:04:11,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 06:04:11,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 06:04:11,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 06:04:11,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 06:04:11,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 06:04:11,937 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 06:04:11,981 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2020-10-26 06:04:11,981 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 06:04:11,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 06:04:11,987 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 06:04:11,988 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 06:04:11,988 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 [] [2020-10-26 06:04:12,034 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2020-10-26 06:04:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 06:04:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:12,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 06:04:12,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:04:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 06:04:12,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 06:04:12,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 06:04:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 06:04:12,145 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 [2020-10-26 06:04:12,145 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-10-26 06:04:12,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 24 states and 29 transitions. Complement of second has 4 states. [2020-10-26 06:04:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 06:04:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 06:04:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2020-10-26 06:04:12,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-26 06:04:12,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:12,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-26 06:04:12,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:12,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-26 06:04:12,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 06:04:12,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2020-10-26 06:04:12,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 06:04:12,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-10-26 06:04:12,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 06:04:12,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 06:04:12,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 06:04:12,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 06:04:12,159 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:04:12,159 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:04:12,159 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 06:04:12,159 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-26 06:04:12,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 06:04:12,160 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 06:04:12,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 06:04:12,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 06:04:12 BoogieIcfgContainer [2020-10-26 06:04:12,167 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 06:04:12,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 06:04:12,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 06:04:12,168 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 06:04:12,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:04:04" (3/4) ... [2020-10-26 06:04:12,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 06:04:12,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 06:04:12,174 INFO L168 Benchmark]: Toolchain (without parser) took 9506.00 ms. Allocated memory was 46.1 MB in the beginning and 121.6 MB in the end (delta: 75.5 MB). Free memory was 21.5 MB in the beginning and 88.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:12,174 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 37.7 MB. Free memory was 24.1 MB in the beginning and 24.1 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:04:12,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.09 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 37.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:12,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.80 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 35.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:12,177 INFO L168 Benchmark]: Boogie Preprocessor took 61.82 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 33.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:12,178 INFO L168 Benchmark]: RCFGBuilder took 518.89 ms. Allocated memory is still 56.6 MB. Free memory was 33.5 MB in the beginning and 29.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:12,178 INFO L168 Benchmark]: BuchiAutomizer took 7948.55 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 29.5 MB in the beginning and 89.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-10-26 06:04:12,179 INFO L168 Benchmark]: Witness Printer took 4.68 ms. Allocated memory is still 121.6 MB. Free memory was 89.3 MB in the beginning and 88.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 06:04:12,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 37.7 MB. Free memory was 24.1 MB in the beginning and 24.1 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 865.09 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 37.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.80 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 35.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.82 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 33.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 518.89 ms. Allocated memory is still 56.6 MB. Free memory was 33.5 MB in the beginning and 29.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7948.55 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 29.5 MB in the beginning and 89.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.68 ms. Allocated memory is still 121.6 MB. Free memory was 89.3 MB in the beginning and 88.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + len and consists of 4 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 146 SDslu, 108 SDs, 0 SdLazy, 92 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital256 mio100 ax111 hnf101 lsp83 ukn55 mio100 lsp52 div100 bol100 ite100 ukn100 eq188 hnf89 smp100 dnf119 smp90 tf100 neg95 sie122 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...