./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/array-memsafety/openbsd_cstrcat-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:33:24,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:33:24,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:33:24,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:33:24,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:33:24,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:33:24,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:33:24,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:33:24,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:33:24,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:33:24,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:33:24,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:33:24,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:33:24,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:33:24,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:33:24,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:33:24,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:33:24,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:33:24,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:33:24,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:33:24,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:33:24,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:33:24,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:33:24,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:33:24,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:33:24,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:33:24,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:33:24,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:33:24,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:33:24,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:33:24,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:33:24,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:33:24,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:33:24,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:33:24,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:33:24,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:33:24,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:33:24,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:33:24,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:33:24,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:33:24,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:33:24,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:33:24,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:33:24,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:33:24,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:33:24,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:33:24,678 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:33:24,678 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:33:24,679 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:33:24,679 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:33:24,679 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:33:24,679 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:33:24,680 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:33:24,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:33:24,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:33:24,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:33:24,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:33:24,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:33:24,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:33:24,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:33:24,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:33:24,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:33:24,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:33:24,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:33:24,683 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:33:24,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:33:24,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:33:24,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:33:24,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:33:24,685 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:33:24,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:33:24,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:33:24,686 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:33:24,687 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:33:24,687 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 [2019-11-19 22:33:24,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:33:25,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:33:25,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:33:25,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:33:25,008 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:33:25,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-19 22:33:25,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7e7bc48/cda728c199114f26a23c323bf269f7e6/FLAG562737dd1 [2019-11-19 22:33:25,646 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:33:25,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-19 22:33:25,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7e7bc48/cda728c199114f26a23c323bf269f7e6/FLAG562737dd1 [2019-11-19 22:33:25,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7e7bc48/cda728c199114f26a23c323bf269f7e6 [2019-11-19 22:33:25,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:33:25,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:33:25,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:33:25,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:33:25,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:33:25,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:33:25" (1/1) ... [2019-11-19 22:33:25,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472b3409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:25, skipping insertion in model container [2019-11-19 22:33:25,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:33:25" (1/1) ... [2019-11-19 22:33:25,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:33:25,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:33:26,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:33:26,333 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:33:26,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:33:26,463 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:33:26,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26 WrapperNode [2019-11-19 22:33:26,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:33:26,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:33:26,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:33:26,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:33:26,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:33:26,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:33:26,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:33:26,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:33:26,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (1/1) ... [2019-11-19 22:33:26,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:33:26,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:33:26,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:33:26,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:33:26,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (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 [2019-11-19 22:33:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:33:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:33:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:33:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:33:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:33:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:33:27,020 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:33:27,020 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 22:33:27,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:27 BoogieIcfgContainer [2019-11-19 22:33:27,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:33:27,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:33:27,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:33:27,026 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:33:27,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:27,027 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:33:25" (1/3) ... [2019-11-19 22:33:27,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ce4fab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:33:27, skipping insertion in model container [2019-11-19 22:33:27,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:27,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:26" (2/3) ... [2019-11-19 22:33:27,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ce4fab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:33:27, skipping insertion in model container [2019-11-19 22:33:27,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:27,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:27" (3/3) ... [2019-11-19 22:33:27,031 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-2.i [2019-11-19 22:33:27,072 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:33:27,072 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:33:27,072 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:33:27,072 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:33:27,073 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:33:27,073 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:33:27,073 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:33:27,073 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:33:27,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2019-11-19 22:33:27,109 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2019-11-19 22:33:27,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:27,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:27,115 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:33:27,115 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:27,115 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:33:27,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2019-11-19 22:33:27,118 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2019-11-19 22:33:27,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:27,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:27,118 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:33:27,119 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:27,125 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 7#L525true assume !(main_~length1~0 < 1); 12#L525-2true assume !(main_~length2~0 < 2); 24#L528-1true assume !(main_~length3~0 < 1); 15#L531-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 9#L538-3true [2019-11-19 22:33:27,125 INFO L796 eck$LassoCheckResult]: Loop: 9#L538-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet13, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 6#L538-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 9#L538-3true [2019-11-19 22:33:27,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:27,130 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-11-19 22:33:27,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:27,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002603774] [2019-11-19 22:33:27,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:27,287 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:27,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:27,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2019-11-19 22:33:27,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:27,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223267237] [2019-11-19 22:33:27,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:27,341 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:27,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:27,346 INFO L82 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2019-11-19 22:33:27,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:27,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763726905] [2019-11-19 22:33:27,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:27,472 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:27,782 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-11-19 22:33:27,892 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:33:27,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:33:27,893 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:33:27,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:33:27,894 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:33:27,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:27,894 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:33:27,894 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:33:27,894 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration1_Lasso [2019-11-19 22:33:27,895 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:33:27,895 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:33:27,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:27,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:28,149 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-11-19 22:33:28,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:28,565 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:33:28,571 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) [2019-11-19 22:33:28,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,612 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) [2019-11-19 22:33:28,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,635 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) [2019-11-19 22:33:28,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,655 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) [2019-11-19 22:33:28,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:28,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,693 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) [2019-11-19 22:33:28,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:28,718 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) [2019-11-19 22:33:28,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:28,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,755 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) [2019-11-19 22:33:28,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:28,785 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 [2019-11-19 22:33:28,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:28,810 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 [2019-11-19 22:33:28,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:28,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:28,853 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) [2019-11-19 22:33:28,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,871 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) [2019-11-19 22:33:28,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,889 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) [2019-11-19 22:33:28,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,908 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 [2019-11-19 22:33:28,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:28,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:28,939 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) [2019-11-19 22:33:28,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:28,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:28,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:28,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:28,953 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 [2019-11-19 22:33:28,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:28,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:28,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:28,982 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 [2019-11-19 22:33:28,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:28,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:28,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:28,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:28,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:29,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:29,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:29,012 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 [2019-11-19 22:33:29,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:29,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:29,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:29,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:29,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:29,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:29,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:29,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:29,033 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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:29,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:29,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:29,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:29,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:29,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:29,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:29,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:29,077 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:33:29,248 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-19 22:33:29,249 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. 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) [2019-11-19 22:33:29,306 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:29,310 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:33:29,310 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:33:29,311 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-19 22:33:29,341 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-19 22:33:29,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:29,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:33:29,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:29,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:33:29,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:29,438 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:33:29,440 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states. Second operand 3 states. [2019-11-19 22:33:29,503 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states.. Second operand 3 states. Result 55 states and 77 transitions. Complement of second has 7 states. [2019-11-19 22:33:29,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:33:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:33:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2019-11-19 22:33:29,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-19 22:33:29,509 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:29,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-19 22:33:29,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:29,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-19 22:33:29,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:29,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 77 transitions. [2019-11-19 22:33:29,516 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2019-11-19 22:33:29,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 18 states and 25 transitions. [2019-11-19 22:33:29,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-19 22:33:29,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 22:33:29,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-19 22:33:29,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:29,523 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-19 22:33:29,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-19 22:33:29,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-19 22:33:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-19 22:33:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-19 22:33:29,552 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-19 22:33:29,552 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-19 22:33:29,552 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:33:29,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-19 22:33:29,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2019-11-19 22:33:29,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:29,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:29,554 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:29,554 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:29,554 INFO L794 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 165#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 158#L525 assume !(main_~length1~0 < 1); 159#L525-2 assume !(main_~length2~0 < 2); 164#L528-1 assume !(main_~length3~0 < 1); 167#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 161#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 162#L538-4 main_~i~1 := 0; 163#L542-3 [2019-11-19 22:33:29,554 INFO L796 eck$LassoCheckResult]: Loop: 163#L542-3 assume !!(main_~i~1 < main_~length3~0 - 1);call write~int(main_#t~nondet15, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 168#L542-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 163#L542-3 [2019-11-19 22:33:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:29,555 INFO L82 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2019-11-19 22:33:29,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:29,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600122961] [2019-11-19 22:33:29,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:29,581 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:29,582 INFO L82 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2019-11-19 22:33:29,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:29,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980211587] [2019-11-19 22:33:29,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:29,594 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:29,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:29,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2019-11-19 22:33:29,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:29,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341353101] [2019-11-19 22:33:29,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:29,636 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:29,908 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-11-19 22:33:29,988 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:33:29,988 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:33:29,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:33:29,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:33:29,988 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:33:29,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:29,989 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:33:29,989 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:33:29,989 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration2_Lasso [2019-11-19 22:33:29,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:33:29,989 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:33:29,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:29,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:30,519 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:33:30,520 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-19 22:33:30,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:30,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:30,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:30,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:30,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:30,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:30,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:30,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:30,557 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) [2019-11-19 22:33:30,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:30,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:30,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:30,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:30,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:30,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:30,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:30,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:30,576 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:30,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:30,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:30,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:30,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:30,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:30,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:30,595 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 [2019-11-19 22:33:30,603 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) [2019-11-19 22:33:30,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:30,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:30,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:30,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:30,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:30,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:30,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:30,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:30,623 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) [2019-11-19 22:33:30,634 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 [2019-11-19 22:33:30,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:30,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:30,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:30,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:30,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:30,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:30,662 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) [2019-11-19 22:33:30,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:30,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:30,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:30,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:30,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:30,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:30,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:30,708 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:33:30,746 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-19 22:33:30,746 INFO L444 ModelExtractionUtils]: 20 out of 34 variables were initially zero. Simplification set additionally 9 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) [2019-11-19 22:33:30,753 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 [2019-11-19 22:33:30,757 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 22:33:30,757 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:33:30,758 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 1*ULTIMATE.start_main_~i~1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 1*ULTIMATE.start_main_~length3~0 >= 0] [2019-11-19 22:33:30,786 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-11-19 22:33:30,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:33:30,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:30,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:33:30,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:30,891 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:33:30,891 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-19 22:33:30,892 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:33:30,914 INFO L567 ElimStorePlain]: treesize reduction 10, result has 66.7 percent of original size [2019-11-19 22:33:30,915 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:33:30,916 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:15, output treesize:7 [2019-11-19 22:33:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:30,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 22:33:30,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:30,961 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 22:33:30,962 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-19 22:33:31,032 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 26 states and 38 transitions. Complement of second has 7 states. [2019-11-19 22:33:31,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:33:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:33:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-11-19 22:33:31,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-19 22:33:31,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:31,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-19 22:33:31,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:31,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-19 22:33:31,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:31,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 38 transitions. [2019-11-19 22:33:31,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 22:33:31,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 27 transitions. [2019-11-19 22:33:31,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-19 22:33:31,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-19 22:33:31,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2019-11-19 22:33:31,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:31,045 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-19 22:33:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2019-11-19 22:33:31,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-19 22:33:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-19 22:33:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2019-11-19 22:33:31,050 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-19 22:33:31,050 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-19 22:33:31,052 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:33:31,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2019-11-19 22:33:31,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 22:33:31,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:31,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:31,056 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:31,057 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:33:31,057 INFO L794 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 297#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 290#L525 assume !(main_~length1~0 < 1); 291#L525-2 assume !(main_~length2~0 < 2); 296#L528-1 assume !(main_~length3~0 < 1); 299#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 293#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 294#L538-4 main_~i~1 := 0; 295#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 302#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 292#L517-4 [2019-11-19 22:33:31,058 INFO L796 eck$LassoCheckResult]: Loop: 292#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 284#L517-1 assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 286#L517-3 cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 292#L517-4 [2019-11-19 22:33:31,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:31,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times [2019-11-19 22:33:31,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:31,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796738098] [2019-11-19 22:33:31,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,158 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:31,161 INFO L82 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 1 times [2019-11-19 22:33:31,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:31,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788827789] [2019-11-19 22:33:31,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:31,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:31,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1045403964, now seen corresponding path program 1 times [2019-11-19 22:33:31,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:31,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017880778] [2019-11-19 22:33:31,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:31,368 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017880778] [2019-11-19 22:33:31,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:33:31,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 22:33:31,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418677170] [2019-11-19 22:33:31,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:33:31,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 22:33:31,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:33:31,404 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 12 Second operand 8 states. [2019-11-19 22:33:31,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:33:31,508 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-19 22:33:31,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 22:33:31,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-11-19 22:33:31,510 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2019-11-19 22:33:31,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2019-11-19 22:33:31,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-11-19 22:33:31,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-19 22:33:31,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-11-19 22:33:31,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:31,511 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-19 22:33:31,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-11-19 22:33:31,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2019-11-19 22:33:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-19 22:33:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-19 22:33:31,515 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-19 22:33:31,515 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-19 22:33:31,515 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 22:33:31,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-19 22:33:31,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 22:33:31,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:31,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:31,516 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:31,516 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:31,517 INFO L794 eck$LassoCheckResult]: Stem: 361#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 360#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 351#L525 assume !(main_~length1~0 < 1); 352#L525-2 assume !(main_~length2~0 < 2); 359#L528-1 assume !(main_~length3~0 < 1); 362#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 355#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 356#L538-4 main_~i~1 := 0; 358#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 365#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 357#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 346#L517-1 assume !(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 347#L518-2 [2019-11-19 22:33:31,517 INFO L796 eck$LassoCheckResult]: Loop: 347#L518-2 cstrcat_#t~post4.base, cstrcat_#t~post4.offset := cstrcat_~s.base, cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#t~post4.base, 1 + cstrcat_#t~post4.offset;cstrcat_#t~post5.base, cstrcat_#t~post5.offset := cstrcat_~append.base, cstrcat_~append.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#t~post5.base, 1 + cstrcat_#t~post5.offset;call cstrcat_#t~mem6 := read~int(cstrcat_#t~post5.base, cstrcat_#t~post5.offset, 1);call write~int(cstrcat_#t~mem6, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, 1); 348#L518 assume !!(0 != cstrcat_#t~mem6);havoc cstrcat_#t~post5.base, cstrcat_#t~post5.offset;havoc cstrcat_#t~mem6;havoc cstrcat_#t~post4.base, cstrcat_#t~post4.offset; 347#L518-2 [2019-11-19 22:33:31,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:31,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1696290690, now seen corresponding path program 1 times [2019-11-19 22:33:31,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:31,518 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898169135] [2019-11-19 22:33:31,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,548 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:31,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:31,549 INFO L82 PathProgramCache]: Analyzing trace with hash 3238, now seen corresponding path program 1 times [2019-11-19 22:33:31,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:31,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869100349] [2019-11-19 22:33:31,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:31,559 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:31,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:31,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1952217113, now seen corresponding path program 1 times [2019-11-19 22:33:31,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:31,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881024118] [2019-11-19 22:33:31,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:31,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881024118] [2019-11-19 22:33:31,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:33:31,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 22:33:31,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582889683] [2019-11-19 22:33:31,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:33:31,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 22:33:31,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-19 22:33:31,898 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand 9 states. [2019-11-19 22:33:32,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:33:32,240 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-19 22:33:32,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 22:33:32,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 52 transitions. [2019-11-19 22:33:32,243 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2019-11-19 22:33:32,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 36 states and 46 transitions. [2019-11-19 22:33:32,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-11-19 22:33:32,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-11-19 22:33:32,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2019-11-19 22:33:32,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:32,247 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2019-11-19 22:33:32,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2019-11-19 22:33:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2019-11-19 22:33:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-19 22:33:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-19 22:33:32,255 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-19 22:33:32,255 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-19 22:33:32,255 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 22:33:32,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2019-11-19 22:33:32,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 22:33:32,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:32,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:32,264 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:32,264 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:32,264 INFO L794 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 450#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 441#L525 assume !(main_~length1~0 < 1); 442#L525-2 assume !(main_~length2~0 < 2); 449#L528-1 assume !(main_~length3~0 < 1); 452#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 444#L538-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet13, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 439#L538-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 440#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 446#L538-4 main_~i~1 := 0; 461#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 462#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 463#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 458#L517-1 assume !(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 437#L518-2 [2019-11-19 22:33:32,265 INFO L796 eck$LassoCheckResult]: Loop: 437#L518-2 cstrcat_#t~post4.base, cstrcat_#t~post4.offset := cstrcat_~s.base, cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#t~post4.base, 1 + cstrcat_#t~post4.offset;cstrcat_#t~post5.base, cstrcat_#t~post5.offset := cstrcat_~append.base, cstrcat_~append.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#t~post5.base, 1 + cstrcat_#t~post5.offset;call cstrcat_#t~mem6 := read~int(cstrcat_#t~post5.base, cstrcat_#t~post5.offset, 1);call write~int(cstrcat_#t~mem6, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, 1); 438#L518 assume !!(0 != cstrcat_#t~mem6);havoc cstrcat_#t~post5.base, cstrcat_#t~post5.offset;havoc cstrcat_#t~mem6;havoc cstrcat_#t~post4.base, cstrcat_#t~post4.offset; 437#L518-2 [2019-11-19 22:33:32,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:32,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1864254052, now seen corresponding path program 1 times [2019-11-19 22:33:32,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:32,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728697884] [2019-11-19 22:33:32,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:32,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:32,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:32,324 INFO L82 PathProgramCache]: Analyzing trace with hash 3238, now seen corresponding path program 2 times [2019-11-19 22:33:32,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:32,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792359701] [2019-11-19 22:33:32,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:32,334 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:32,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:32,334 INFO L82 PathProgramCache]: Analyzing trace with hash 546783817, now seen corresponding path program 1 times [2019-11-19 22:33:32,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:32,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491983029] [2019-11-19 22:33:32,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:32,367 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 22:33:33,076 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 114 [2019-11-19 22:33:33,238 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-11-19 22:33:33,241 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:33:33,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:33:33,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:33:33,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:33:33,242 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:33:33,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:33,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:33:33,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:33:33,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration5_Lasso [2019-11-19 22:33:33,243 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:33:33,243 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:33:33,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,696 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-11-19 22:33:33,843 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-11-19 22:33:33,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:33,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:34,160 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-11-19 22:33:34,593 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:33:34,593 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:34,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:34,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:34,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,639 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) [2019-11-19 22:33:34,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,658 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) [2019-11-19 22:33:34,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,673 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) [2019-11-19 22:33:34,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,715 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) [2019-11-19 22:33:34,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,724 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 [2019-11-19 22:33:34,726 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 [2019-11-19 22:33:34,734 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 [2019-11-19 22:33:34,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:34,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:34,758 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) [2019-11-19 22:33:34,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,773 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 [2019-11-19 22:33:34,775 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) [2019-11-19 22:33:34,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,788 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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,799 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 [2019-11-19 22:33:34,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,811 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 [2019-11-19 22:33:34,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,829 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) [2019-11-19 22:33:34,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,850 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 Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:34,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:34,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,866 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 [2019-11-19 22:33:34,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Exception during sending of exit command (exit): Broken pipe 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 [2019-11-19 22:33:34,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,886 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 [2019-11-19 22:33:34,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:34,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:34,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:34,898 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 [2019-11-19 22:33:34,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:34,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:34,916 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) [2019-11-19 22:33:34,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:34,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,937 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) [2019-11-19 22:33:34,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:34,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:34,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:34,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:34,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:34,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:34,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:34,967 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) [2019-11-19 22:33:35,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:35,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:35,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:35,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:35,003 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:33:35,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:35,004 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:33:35,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:35,007 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) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:35,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:35,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:35,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:35,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:35,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:35,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:35,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:35,022 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) [2019-11-19 22:33:35,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:35,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:35,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:35,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:35,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:35,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:35,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:35,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:35,033 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:35,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:35,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:35,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:35,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:35,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:35,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:35,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:35,093 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:33:35,207 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2019-11-19 22:33:35,207 INFO L444 ModelExtractionUtils]: 35 out of 58 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:35,213 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:35,216 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:33:35,217 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:33:35,217 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~append.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2) = -1*ULTIMATE.start_cstrcat_~append.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 Supporting invariants [] [2019-11-19 22:33:35,291 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2019-11-19 22:33:35,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:33:35,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:35,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:33:35,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:35,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 22:33:35,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:35,384 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 22:33:35,384 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand 4 states. [2019-11-19 22:33:35,417 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 31 states and 40 transitions. Complement of second has 5 states. [2019-11-19 22:33:35,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:33:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:33:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-11-19 22:33:35,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 14 letters. Loop has 2 letters. [2019-11-19 22:33:35,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:35,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 16 letters. Loop has 2 letters. [2019-11-19 22:33:35,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:35,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2019-11-19 22:33:35,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:35,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2019-11-19 22:33:35,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:33:35,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 24 states and 31 transitions. [2019-11-19 22:33:35,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-19 22:33:35,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-19 22:33:35,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2019-11-19 22:33:35,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:35,422 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-19 22:33:35,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2019-11-19 22:33:35,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2019-11-19 22:33:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 22:33:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-11-19 22:33:35,424 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-19 22:33:35,424 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-19 22:33:35,424 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 22:33:35,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-11-19 22:33:35,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:33:35,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:35,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:35,425 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:35,425 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:33:35,425 INFO L794 eck$LassoCheckResult]: Stem: 650#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 649#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 642#L525 assume !(main_~length1~0 < 1); 643#L525-2 assume !(main_~length2~0 < 2); 648#L528-1 assume !(main_~length3~0 < 1); 651#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 645#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 646#L538-4 main_~i~1 := 0; 647#L542-3 assume !!(main_~i~1 < main_~length3~0 - 1);call write~int(main_#t~nondet15, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 652#L542-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 653#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 654#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 644#L517-4 [2019-11-19 22:33:35,426 INFO L796 eck$LassoCheckResult]: Loop: 644#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 638#L517-1 assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 639#L517-3 cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 644#L517-4 [2019-11-19 22:33:35,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:35,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times [2019-11-19 22:33:35,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:35,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336767141] [2019-11-19 22:33:35,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:35,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:35,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:35,448 INFO L82 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 2 times [2019-11-19 22:33:35,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:35,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153742869] [2019-11-19 22:33:35,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:35,455 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:35,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1259997786, now seen corresponding path program 1 times [2019-11-19 22:33:35,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:35,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919837761] [2019-11-19 22:33:35,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:35,481 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:35,976 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 110 [2019-11-19 22:33:36,211 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-11-19 22:33:36,215 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:33:36,215 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:33:36,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:33:36,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:33:36,215 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:33:36,215 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:36,216 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:33:36,216 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:33:36,216 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration6_Lasso [2019-11-19 22:33:36,216 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:33:36,216 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:33:36,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,704 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-11-19 22:33:36,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:36,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:37,081 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-11-19 22:33:37,454 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:33:37,454 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,464 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,475 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,486 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,499 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:37,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,520 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,530 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,542 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,551 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,561 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,571 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,580 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:37,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,595 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,606 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,616 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,630 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,638 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,665 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,675 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:37,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:37,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:37,685 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,702 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,710 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:33:37,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,714 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-19 22:33:37,714 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 22:33:37,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,744 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,755 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,767 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:37,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:37,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:37,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:37,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:37,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:37,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:37,806 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:33:37,829 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-19 22:33:37,829 INFO L444 ModelExtractionUtils]: 43 out of 55 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:37,833 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:33:37,835 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:33:37,835 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:33:37,835 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~s.offset, v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_2) = -1*ULTIMATE.start_cstrcat_~s.offset + 1*v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_2 Supporting invariants [] [2019-11-19 22:33:37,885 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2019-11-19 22:33:37,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:33:37,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:37,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:33:37,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:37,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:33:37,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:37,941 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:33:37,941 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-19 22:33:37,956 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 20 states and 27 transitions. Complement of second has 4 states. [2019-11-19 22:33:37,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:33:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:33:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2019-11-19 22:33:37,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-19 22:33:37,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:37,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-19 22:33:37,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:37,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 12 letters. Loop has 6 letters. [2019-11-19 22:33:37,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:37,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2019-11-19 22:33:37,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:33:37,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-11-19 22:33:37,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:33:37,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:33:37,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:33:37,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:37,960 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:33:37,960 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:33:37,960 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:33:37,961 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-19 22:33:37,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:33:37,963 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:33:37,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:33:37,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:33:37 BoogieIcfgContainer [2019-11-19 22:33:37,969 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:33:37,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:33:37,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:33:37,970 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:33:37,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:27" (3/4) ... [2019-11-19 22:33:37,975 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:33:37,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:33:37,976 INFO L168 Benchmark]: Toolchain (without parser) took 12093.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 959.0 MB in the beginning and 1.3 GB in the end (delta: -323.2 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:37,977 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:33:37,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:37,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:37,984 INFO L168 Benchmark]: Boogie Preprocessor took 56.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:33:37,985 INFO L168 Benchmark]: RCFGBuilder took 419.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:37,985 INFO L168 Benchmark]: BuchiAutomizer took 10947.18 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 228.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.6 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:37,985 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:33:37,991 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 419.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10947.18 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 228.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.6 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.30 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * append + unknown-#length-unknown[nondetString1] and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.9s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 9.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 111 SDtfs, 193 SDslu, 144 SDs, 0 SdLazy, 119 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital193 mio100 ax110 hnf98 lsp85 ukn80 mio100 lsp59 div100 bol100 ite100 ukn100 eq171 hnf88 smp95 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 3 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...