./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/termination-memory-alloca/min_rf-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash e3ac7e4caefab280af1b902717cbfa5c070462d8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:40:19,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:40:19,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:40:19,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:40:19,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:40:19,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:40:19,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:40:19,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:40:19,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:40:19,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:40:19,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:40:19,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:40:19,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:40:19,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:40:19,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:40:19,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:40:19,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:40:19,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:40:19,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:40:19,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:40:19,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:40:19,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:40:19,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:40:19,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:40:19,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:40:19,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:40:19,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:40:19,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:40:19,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:40:19,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:40:19,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:40:19,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:40:19,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:40:19,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:40:19,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:40:19,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:40:19,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:40:19,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:40:19,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:40:19,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:40:19,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:40:19,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:40:19,846 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:40:19,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:40:19,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:40:19,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:40:19,848 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:40:19,848 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:40:19,848 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:40:19,848 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:40:19,849 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:40:19,849 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:40:19,849 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:40:19,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:40:19,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:40:19,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:40:19,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:40:19,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:40:19,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:40:19,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:40:19,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:40:19,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:40:19,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:40:19,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:40:19,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:40:19,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:40:19,852 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:40:19,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:40:19,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:40:19,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:40:19,852 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:40:19,853 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:40:19,853 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac7e4caefab280af1b902717cbfa5c070462d8 [2020-10-20 06:40:20,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:40:20,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:40:20,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:40:20,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:40:20,067 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:40:20,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2020-10-20 06:40:20,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f757befc/271d64358316407fbd7fcbe714e7ccfd/FLAGb990d213d [2020-10-20 06:40:20,646 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:40:20,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2020-10-20 06:40:20,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f757befc/271d64358316407fbd7fcbe714e7ccfd/FLAGb990d213d [2020-10-20 06:40:21,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f757befc/271d64358316407fbd7fcbe714e7ccfd [2020-10-20 06:40:21,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:40:21,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:40:21,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:40:21,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:40:21,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:40:21,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d571c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21, skipping insertion in model container [2020-10-20 06:40:21,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:40:21,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:40:21,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:40:21,446 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:40:21,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:40:21,554 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:40:21,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21 WrapperNode [2020-10-20 06:40:21,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:40:21,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:40:21,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:40:21,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:40:21,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:40:21,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:40:21,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:40:21,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:40:21,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (1/1) ... [2020-10-20 06:40:21,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:40:21,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:40:21,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:40:21,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:40:21,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (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 [2020-10-20 06:40:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:40:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:40:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:40:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:40:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:40:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:40:22,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:40:22,083 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:40:22,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:22 BoogieIcfgContainer [2020-10-20 06:40:22,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:40:22,085 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:40:22,085 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:40:22,089 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:40:22,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:22,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:40:21" (1/3) ... [2020-10-20 06:40:22,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68557cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:40:22, skipping insertion in model container [2020-10-20 06:40:22,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:22,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:21" (2/3) ... [2020-10-20 06:40:22,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68557cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:40:22, skipping insertion in model container [2020-10-20 06:40:22,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:22,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:22" (3/3) ... [2020-10-20 06:40:22,098 INFO L373 chiAutomizerObserver]: Analyzing ICFG min_rf-alloca.i [2020-10-20 06:40:22,150 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:40:22,150 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:40:22,151 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:40:22,151 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:40:22,151 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:40:22,151 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:40:22,151 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:40:22,151 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:40:22,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:40:22,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:40:22,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:22,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:22,195 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:40:22,195 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:40:22,195 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:40:22,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:40:22,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:40:22,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:22,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:22,197 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:40:22,197 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:40:22,203 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 11#L556-1true [2020-10-20 06:40:22,204 INFO L796 eck$LassoCheckResult]: Loop: 11#L556-1true call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 7#L553-1true assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 10#L553-3true assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 13#L554true assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 8#L554-2true assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 11#L556-1true [2020-10-20 06:40:22,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:22,209 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:40:22,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:22,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361501441] [2020-10-20 06:40:22,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:22,349 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:22,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:22,413 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:22,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:22,414 INFO L82 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 1 times [2020-10-20 06:40:22,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:22,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521217773] [2020-10-20 06:40:22,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:22,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:22,488 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:22,498 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:22,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:22,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849170, now seen corresponding path program 1 times [2020-10-20 06:40:22,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:22,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417643245] [2020-10-20 06:40:22,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:22,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:22,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:22,644 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:23,029 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-10-20 06:40:23,414 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2020-10-20 06:40:23,552 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 06:40:23,569 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:40:23,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:40:23,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:40:23,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:40:23,570 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:40:23,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:23,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:40:23,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:40:23,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration1_Lasso [2020-10-20 06:40:23,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:40:23,572 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:40:23,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:23,996 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2020-10-20 06:40:24,146 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-20 06:40:24,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:24,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:24,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:24,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:24,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:24,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:24,718 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:40:24,723 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 [2020-10-20 06:40:24,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:24,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,743 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 [2020-10-20 06:40:24,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:24,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,782 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:24,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:24,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,827 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:24,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:24,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,861 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 [2020-10-20 06:40:24,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:24,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,892 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) [2020-10-20 06:40:24,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:24,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,925 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 [2020-10-20 06:40:24,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:24,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,957 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 [2020-10-20 06:40:24,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:24,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:24,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:24,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:24,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:24,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:24,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:24,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:24,988 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 [2020-10-20 06:40:25,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:25,021 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 [2020-10-20 06:40:25,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,056 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 [2020-10-20 06:40:25,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,087 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 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 [2020-10-20 06:40:25,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,118 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,146 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 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 [2020-10-20 06:40:25,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,176 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,205 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 [2020-10-20 06:40:25,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,233 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:25,288 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) [2020-10-20 06:40:25,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:25,329 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:25,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,392 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 [2020-10-20 06:40:25,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:25,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,435 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:40:25,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,438 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:40:25,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:25,443 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 [2020-10-20 06:40:25,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:25,485 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) [2020-10-20 06:40:25,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,530 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) [2020-10-20 06:40:25,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,576 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) [2020-10-20 06:40:25,607 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 [2020-10-20 06:40:25,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,639 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:25,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:25,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:25,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:25,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:25,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:25,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:25,678 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:40:25,791 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-20 06:40:25,791 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. 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) [2020-10-20 06:40:25,812 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:25,837 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:40:25,838 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:40:25,838 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2020-10-20 06:40:25,997 INFO L297 tatePredicateManager]: 20 out of 24 supporting invariants were superfluous and have been removed [2020-10-20 06:40:26,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:40:26,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:26,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:40:26,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:26,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-20 06:40:26,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:26,144 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:40:26,317 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:26,318 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2020-10-20 06:40:26,321 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:26,361 INFO L625 ElimStorePlain]: treesize reduction 20, result has 72.6 percent of original size [2020-10-20 06:40:26,362 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:26,362 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2020-10-20 06:40:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:40:26,419 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2020-10-20 06:40:26,421 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 6 states. [2020-10-20 06:40:26,606 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 6 states. Result 33 states and 46 transitions. Complement of second has 14 states. [2020-10-20 06:40:26,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2020-10-20 06:40:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 06:40:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 16 transitions. [2020-10-20 06:40:26,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 5 letters. [2020-10-20 06:40:26,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:40:26,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 7 letters. Loop has 5 letters. [2020-10-20 06:40:26,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:40:26,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 10 letters. [2020-10-20 06:40:26,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:40:26,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2020-10-20 06:40:26,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:40:26,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 20 states and 29 transitions. [2020-10-20 06:40:26,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-20 06:40:26,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-10-20 06:40:26,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2020-10-20 06:40:26,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:40:26,624 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2020-10-20 06:40:26,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2020-10-20 06:40:26,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2020-10-20 06:40:26,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 06:40:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2020-10-20 06:40:26,653 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2020-10-20 06:40:26,653 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2020-10-20 06:40:26,653 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:40:26,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2020-10-20 06:40:26,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:40:26,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:26,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:26,655 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:40:26,655 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:40:26,655 INFO L794 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 206#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 207#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 213#L553-1 assume !main_#t~short9; 214#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 217#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 221#L554-2 [2020-10-20 06:40:26,655 INFO L796 eck$LassoCheckResult]: Loop: 221#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 210#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 219#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 222#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 220#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 221#L554-2 [2020-10-20 06:40:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:26,656 INFO L82 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2020-10-20 06:40:26,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:26,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490052321] [2020-10-20 06:40:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:40:26,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490052321] [2020-10-20 06:40:26,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:40:26,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:40:26,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913584754] [2020-10-20 06:40:26,715 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:40:26,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:26,715 INFO L82 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 2 times [2020-10-20 06:40:26,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:26,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602489554] [2020-10-20 06:40:26,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:26,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:26,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:26,747 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:27,058 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-10-20 06:40:27,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:40:27,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:40:27,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:40:27,159 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-10-20 06:40:27,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:40:27,173 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2020-10-20 06:40:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:40:27,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2020-10-20 06:40:27,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:40:27,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 22 transitions. [2020-10-20 06:40:27,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-10-20 06:40:27,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-10-20 06:40:27,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2020-10-20 06:40:27,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:40:27,177 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-20 06:40:27,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2020-10-20 06:40:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-20 06:40:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 06:40:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2020-10-20 06:40:27,179 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-20 06:40:27,179 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-20 06:40:27,179 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:40:27,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2020-10-20 06:40:27,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:40:27,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:27,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:27,181 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:40:27,181 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:40:27,181 INFO L794 eck$LassoCheckResult]: Stem: 251#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 249#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 250#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 252#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 253#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 260#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 263#L554-2 [2020-10-20 06:40:27,181 INFO L796 eck$LassoCheckResult]: Loop: 263#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 257#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 262#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 265#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 264#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 263#L554-2 [2020-10-20 06:40:27,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:27,182 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2020-10-20 06:40:27,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:27,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001633779] [2020-10-20 06:40:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:27,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:27,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:27,217 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:27,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:27,218 INFO L82 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 3 times [2020-10-20 06:40:27,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:27,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393412542] [2020-10-20 06:40:27,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:27,233 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:27,246 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:27,249 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:27,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:27,249 INFO L82 PathProgramCache]: Analyzing trace with hash -304168138, now seen corresponding path program 1 times [2020-10-20 06:40:27,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:27,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153291968] [2020-10-20 06:40:27,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:40:27,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153291968] [2020-10-20 06:40:27,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379715255] [2020-10-20 06:40:27,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:40:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:27,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 28 conjunts are in the unsatisfiable core [2020-10-20 06:40:27,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:27,563 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:27,563 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-10-20 06:40:27,565 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,574 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:27,579 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-10-20 06:40:27,579 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:27,590 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,590 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:13 [2020-10-20 06:40:27,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:40:27,638 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2020-10-20 06:40:27,640 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,651 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:27,652 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,652 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2020-10-20 06:40:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:27,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:27,704 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 38 [2020-10-20 06:40:27,706 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,733 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:27,738 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 06:40:27,738 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:335, output treesize:63 [2020-10-20 06:40:27,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:40:27,963 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 30 [2020-10-20 06:40:27,968 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,988 INFO L625 ElimStorePlain]: treesize reduction 5, result has 82.1 percent of original size [2020-10-20 06:40:27,991 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:27,991 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:82, output treesize:11 [2020-10-20 06:40:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:40:28,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:40:28,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 13 [2020-10-20 06:40:28,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725114800] [2020-10-20 06:40:28,328 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-10-20 06:40:28,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:40:28,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-20 06:40:28,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-20 06:40:28,419 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 14 states. [2020-10-20 06:40:30,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:40:30,502 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2020-10-20 06:40:30,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 06:40:30,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2020-10-20 06:40:30,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-10-20 06:40:30,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 28 transitions. [2020-10-20 06:40:30,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-10-20 06:40:30,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-20 06:40:30,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2020-10-20 06:40:30,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:40:30,507 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-10-20 06:40:30,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2020-10-20 06:40:30,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-20 06:40:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-20 06:40:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2020-10-20 06:40:30,509 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-10-20 06:40:30,510 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-10-20 06:40:30,510 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:40:30,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2020-10-20 06:40:30,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-10-20 06:40:30,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:30,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:30,511 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:40:30,511 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:40:30,512 INFO L794 eck$LassoCheckResult]: Stem: 347#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 345#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 346#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 358#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 363#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 362#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 360#L554-2 [2020-10-20 06:40:30,512 INFO L796 eck$LassoCheckResult]: Loop: 360#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~mem20;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 349#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 352#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 353#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 356#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 360#L554-2 [2020-10-20 06:40:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:30,512 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 2 times [2020-10-20 06:40:30,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:30,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82475215] [2020-10-20 06:40:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:30,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:30,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:30,541 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:30,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:30,541 INFO L82 PathProgramCache]: Analyzing trace with hash 55629988, now seen corresponding path program 1 times [2020-10-20 06:40:30,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:30,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164548360] [2020-10-20 06:40:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:30,556 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:30,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:30,575 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:30,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:30,575 INFO L82 PathProgramCache]: Analyzing trace with hash -302321094, now seen corresponding path program 1 times [2020-10-20 06:40:30,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:30,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67061285] [2020-10-20 06:40:30,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:30,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:40:30,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67061285] [2020-10-20 06:40:30,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532358878] [2020-10-20 06:40:30,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:40:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:30,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 22 conjunts are in the unsatisfiable core [2020-10-20 06:40:30,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:30,985 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:30,986 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-10-20 06:40:30,988 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:30,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:31,002 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-10-20 06:40:31,003 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:31,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:31,013 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:31,014 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:13 [2020-10-20 06:40:31,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:40:31,102 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2020-10-20 06:40:31,103 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:31,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:31,112 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:31,113 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2020-10-20 06:40:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:31,176 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 35 [2020-10-20 06:40:31,177 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:31,188 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:31,190 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 06:40:31,191 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:324, output treesize:48 [2020-10-20 06:40:31,298 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 20 [2020-10-20 06:40:31,300 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:31,307 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:31,309 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:31,309 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:60, output treesize:5 [2020-10-20 06:40:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:40:31,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:40:31,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2020-10-20 06:40:31,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649523774] [2020-10-20 06:40:31,590 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-10-20 06:40:31,700 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-20 06:40:31,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:40:31,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-20 06:40:31,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-20 06:40:31,702 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand 15 states. [2020-10-20 06:40:38,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:40:38,614 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2020-10-20 06:40:38,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 06:40:38,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2020-10-20 06:40:38,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2020-10-20 06:40:38,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2020-10-20 06:40:38,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-10-20 06:40:38,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-10-20 06:40:38,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2020-10-20 06:40:38,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:40:38,618 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2020-10-20 06:40:38,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2020-10-20 06:40:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2020-10-20 06:40:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 06:40:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2020-10-20 06:40:38,622 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2020-10-20 06:40:38,622 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2020-10-20 06:40:38,622 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 06:40:38,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2020-10-20 06:40:38,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-10-20 06:40:38,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:38,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:38,624 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:40:38,624 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:40:38,624 INFO L794 eck$LassoCheckResult]: Stem: 468#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 466#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 467#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 479#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 492#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 491#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 481#L554-2 [2020-10-20 06:40:38,625 INFO L796 eck$LassoCheckResult]: Loop: 481#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 489#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 487#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 485#L553-3 assume !!main_#t~short9;havoc main_#t~short9;havoc main_#t~mem8;havoc main_#t~mem7;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 480#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 481#L554-2 [2020-10-20 06:40:38,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:38,625 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2020-10-20 06:40:38,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:38,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723085986] [2020-10-20 06:40:38,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:38,636 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:38,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:38,648 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:38,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:38,649 INFO L82 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 1 times [2020-10-20 06:40:38,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:38,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588727245] [2020-10-20 06:40:38,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:38,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:38,665 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:38,668 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:38,668 INFO L82 PathProgramCache]: Analyzing trace with hash -304168136, now seen corresponding path program 1 times [2020-10-20 06:40:38,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:38,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341601936] [2020-10-20 06:40:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:38,685 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:38,699 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:38,703 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:38,956 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2020-10-20 06:40:39,409 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 94 [2020-10-20 06:40:39,547 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-20 06:40:39,551 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:40:39,551 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:40:39,551 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:40:39,551 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:40:39,551 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:40:39,551 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:39,551 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:40:39,552 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:40:39,552 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration5_Lasso [2020-10-20 06:40:39,552 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:40:39,552 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:40:39,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:39,920 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2020-10-20 06:40:40,053 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-20 06:40:40,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:40,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:40,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:40,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:40,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:40,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:40,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:40,624 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:40:40,624 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-20 06:40:40,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:40,639 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 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 [2020-10-20 06:40:40,662 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 [2020-10-20 06:40:40,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:40,666 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 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 [2020-10-20 06:40:40,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:40,692 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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:40,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:40,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:40,732 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) [2020-10-20 06:40:40,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:40,768 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) [2020-10-20 06:40:40,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:40,812 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) [2020-10-20 06:40:40,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:40,851 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 [2020-10-20 06:40:40,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:40,883 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:40:40,914 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 [2020-10-20 06:40:40,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:40,919 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:40,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:40,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:40,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:40,950 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:40:40,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:40,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:40,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:40,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:40,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:40,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:40,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:40,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:40,994 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:41,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,023 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:41,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,050 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:41,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,082 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:41,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,121 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:41,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,146 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:41,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:41,174 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:41,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,200 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:41,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,229 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:41,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,253 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:40:41,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,254 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:40:41,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:41,255 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:41,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:41,289 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:41,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:41,316 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:40:41,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:41,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:41,344 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:41,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:41,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:41,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:41,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:41,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:41,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:41,380 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:40:41,391 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-20 06:40:41,391 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:41,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:40:41,397 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:40:41,398 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:40:41,398 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 Supporting invariants [] [2020-10-20 06:40:41,508 INFO L297 tatePredicateManager]: 20 out of 24 supporting invariants were superfluous and have been removed [2020-10-20 06:40:41,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:40:41,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:41,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 06:40:41,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:41,593 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:41,593 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-10-20 06:40:41,595 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:40:41,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:41,603 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:40:41,603 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2020-10-20 06:40:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:41,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:40:41,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:41,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:41,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:41,705 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:40:41,705 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 149 [2020-10-20 06:40:41,709 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,710 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,711 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 06:40:41,712 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 06:40:41,713 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,715 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,716 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,720 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,725 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,726 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,729 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,734 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,737 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,738 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,740 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,742 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,745 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 06:40:41,746 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 06:40:41,747 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,750 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,754 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,759 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,761 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,764 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,768 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,772 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,773 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,774 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,778 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,778 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 06:40:41,779 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 06:40:41,781 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,784 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,788 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,792 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,794 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,795 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,796 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,800 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,804 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,804 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,806 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,809 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,810 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 06:40:41,811 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 06:40:41,812 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,815 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,819 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,823 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 06:40:41,824 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,826 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 06:40:41,829 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-20 06:40:41,846 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 06:40:41,855 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-20 06:40:41,856 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-20 06:40:41,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:40:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:41:20,818 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2020-10-20 06:41:20,819 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:741) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:554) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:382) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 06:41:20,822 INFO L168 Benchmark]: Toolchain (without parser) took 59779.24 ms. Allocated memory was 43.0 MB in the beginning and 92.8 MB in the end (delta: 49.8 MB). Free memory was 20.0 MB in the beginning and 62.3 MB in the end (delta: -42.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:20,822 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 32.0 MB. Free memory was 9.0 MB in the beginning and 8.9 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:20,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.10 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 19.1 MB in the beginning and 26.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:20,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.40 ms. Allocated memory is still 45.6 MB. Free memory was 26.3 MB in the beginning and 24.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:20,825 INFO L168 Benchmark]: Boogie Preprocessor took 31.29 ms. Allocated memory is still 45.6 MB. Free memory was 24.4 MB in the beginning and 22.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:20,826 INFO L168 Benchmark]: RCFGBuilder took 449.39 ms. Allocated memory is still 45.6 MB. Free memory was 22.8 MB in the beginning and 21.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:20,826 INFO L168 Benchmark]: BuchiAutomizer took 58735.51 ms. Allocated memory was 45.6 MB in the beginning and 92.8 MB in the end (delta: 47.2 MB). Free memory was 21.1 MB in the beginning and 62.3 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:20,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 32.0 MB. Free memory was 9.0 MB in the beginning and 8.9 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 507.10 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 19.1 MB in the beginning and 26.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 47.40 ms. Allocated memory is still 45.6 MB. Free memory was 26.3 MB in the beginning and 24.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 31.29 ms. Allocated memory is still 45.6 MB. Free memory was 24.4 MB in the beginning and 22.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 449.39 ms. Allocated memory is still 45.6 MB. Free memory was 22.8 MB in the beginning and 21.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 58735.51 ms. Allocated memory was 45.6 MB in the beginning and 92.8 MB in the end (delta: 47.2 MB). Free memory was 21.1 MB in the beginning and 62.3 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:149) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...