./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/array01-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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/array01-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 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:24:51,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:24:51,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:24:51,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:24:51,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:24:51,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:24:51,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:24:51,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:24:51,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:24:51,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:24:51,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:24:51,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:24:51,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:24:51,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:24:51,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:24:51,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:24:51,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:24:51,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:24:51,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:24:51,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:24:51,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:24:51,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:24:51,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:24:51,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:24:51,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:24:51,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:24:51,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:24:51,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:24:51,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:24:51,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:24:51,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:24:51,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:24:51,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:24:51,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:24:51,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:24:51,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:24:51,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:24:51,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:24:51,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:24:51,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:24:51,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:24:51,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:24:51,674 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:24:51,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:24:51,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:24:51,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:24:51,676 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:24:51,676 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:24:51,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:24:51,677 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:24:51,677 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:24:51,677 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:24:51,677 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:24:51,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:24:51,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:24:51,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:24:51,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:24:51,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:24:51,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:24:51,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:24:51,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:24:51,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:24:51,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:24:51,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:24:51,681 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:24:51,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:24:51,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:24:51,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:24:51,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:24:51,682 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:24:51,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:24:51,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:24:51,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:24:51,683 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:24:51,685 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:24:51,685 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 -> 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 [2020-10-19 20:24:51,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:24:51,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:24:52,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:24:52,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:24:52,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:24:52,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2020-10-19 20:24:52,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bccde24b/9a6d803a603d49ff9e77ff4b4a522fb5/FLAG487ec8eea [2020-10-19 20:24:52,566 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:24:52,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2020-10-19 20:24:52,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bccde24b/9a6d803a603d49ff9e77ff4b4a522fb5/FLAG487ec8eea [2020-10-19 20:24:52,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bccde24b/9a6d803a603d49ff9e77ff4b4a522fb5 [2020-10-19 20:24:52,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:24:52,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:24:52,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:24:52,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:24:52,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:24:52,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:24:52" (1/1) ... [2020-10-19 20:24:52,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618d9b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:52, skipping insertion in model container [2020-10-19 20:24:52,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:24:52" (1/1) ... [2020-10-19 20:24:52,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:24:52,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:24:53,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:24:53,392 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:24:53,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:24:53,496 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:24:53,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53 WrapperNode [2020-10-19 20:24:53,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:24:53,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:24:53,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:24:53,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:24:53,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:24:53,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:24:53,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:24:53,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:24:53,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... [2020-10-19 20:24:53,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:24:53,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:24:53,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:24:53,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:24:53,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 20:24:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 20:24:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:24:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 20:24:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:24:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:24:53,946 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:24:53,946 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 20:24:53,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:24:53 BoogieIcfgContainer [2020-10-19 20:24:53,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:24:53,950 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:24:53,950 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:24:53,954 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:24:53,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:24:53,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:24:52" (1/3) ... [2020-10-19 20:24:53,956 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@763f0fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:24:53, skipping insertion in model container [2020-10-19 20:24:53,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:24:53,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:24:53" (2/3) ... [2020-10-19 20:24:53,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@763f0fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:24:53, skipping insertion in model container [2020-10-19 20:24:53,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:24:53,958 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:24:53" (3/3) ... [2020-10-19 20:24:53,960 INFO L373 chiAutomizerObserver]: Analyzing ICFG array01-alloca-2.i [2020-10-19 20:24:54,004 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:24:54,004 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:24:54,005 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:24:54,005 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:24:54,005 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:24:54,005 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:24:54,005 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:24:54,006 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:24:54,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 20:24:54,036 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 20:24:54,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:24:54,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:24:54,042 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 20:24:54,042 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:24:54,042 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:24:54,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 20:24:54,044 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 20:24:54,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:24:54,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:24:54,045 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 20:24:54,045 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:24:54,053 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 4#L526true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 7#L526-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 16#L531-3true [2020-10-19 20:24:54,054 INFO L796 eck$LassoCheckResult]: Loop: 16#L531-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 15#L531-2true main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 16#L531-3true [2020-10-19 20:24:54,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:54,061 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-19 20:24:54,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:54,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497629971] [2020-10-19 20:24:54,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:54,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:54,219 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:54,248 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:54,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-10-19 20:24:54,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:54,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273471846] [2020-10-19 20:24:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:54,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:54,292 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:54,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:54,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:54,303 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-10-19 20:24:54,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:54,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369234853] [2020-10-19 20:24:54,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:54,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:54,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:54,389 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:54,618 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:24:54,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:24:54,619 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:24:54,619 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:24:54,620 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:24:54,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:54,620 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:24:54,620 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:24:54,620 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration1_Lasso [2020-10-19 20:24:54,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:24:54,621 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:24:54,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:54,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:55,064 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:24:55,070 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:55,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:55,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:55,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:55,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:55,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:55,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:55,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:55,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:55,090 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) [2020-10-19 20:24:55,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:55,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:55,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:55,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:55,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:55,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:55,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:55,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:55,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:55,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:55,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:55,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:55,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:55,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:55,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:55,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:55,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:55,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:55,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:55,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:55,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:55,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:55,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:55,242 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 [2020-10-19 20:24:55,248 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) [2020-10-19 20:24:55,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:55,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:55,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:55,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:55,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:55,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:55,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:55,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:55,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:55,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:55,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:55,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:55,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:55,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:55,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:55,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:55,369 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:24:55,553 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-19 20:24:55,553 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:55,561 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:24:55,566 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 20:24:55,566 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:24:55,567 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1) = -4*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2020-10-19 20:24:55,610 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-10-19 20:24:55,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 20:24:55,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:24:55,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:24:55,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:24:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:24:55,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:24:55,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:24:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:24:55,726 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:24:55,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2020-10-19 20:24:55,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 38 states and 53 transitions. Complement of second has 7 states. [2020-10-19 20:24:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:24:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:24:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-19 20:24:55,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 20:24:55,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:55,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-19 20:24:55,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:55,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-19 20:24:55,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:55,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2020-10-19 20:24:55,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:24:55,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2020-10-19 20:24:55,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 20:24:55,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 20:24:55,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2020-10-19 20:24:55,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:24:55,863 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-19 20:24:55,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2020-10-19 20:24:55,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-10-19 20:24:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-19 20:24:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2020-10-19 20:24:55,896 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-19 20:24:55,896 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-19 20:24:55,896 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:24:55,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2020-10-19 20:24:55,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:24:55,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:24:55,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:24:55,899 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 20:24:55,899 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 20:24:55,899 INFO L794 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 120#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 121#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 125#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 128#L531-3 assume !(main_~k~0 < main_~array_size~0); 131#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 127#L516-3 [2020-10-19 20:24:55,900 INFO L796 eck$LassoCheckResult]: Loop: 127#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 124#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 122#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 123#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 127#L516-3 [2020-10-19 20:24:55,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:55,901 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-10-19 20:24:55,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:55,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365018803] [2020-10-19 20:24:55,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:24:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:24:55,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365018803] [2020-10-19 20:24:55,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:24:55,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 20:24:55,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461159639] [2020-10-19 20:24:55,981 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:24:55,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:55,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2020-10-19 20:24:55,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:55,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698129914] [2020-10-19 20:24:55,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:55,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:55,994 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:55,996 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:56,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:24:56,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 20:24:56,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 20:24:56,036 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-10-19 20:24:56,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:24:56,065 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2020-10-19 20:24:56,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 20:24:56,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2020-10-19 20:24:56,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:24:56,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2020-10-19 20:24:56,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-19 20:24:56,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 20:24:56,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2020-10-19 20:24:56,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:24:56,069 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-10-19 20:24:56,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2020-10-19 20:24:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-10-19 20:24:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-19 20:24:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-10-19 20:24:56,071 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-19 20:24:56,071 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-19 20:24:56,071 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:24:56,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-10-19 20:24:56,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:24:56,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:24:56,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:24:56,073 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:24:56,074 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 20:24:56,074 INFO L794 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 152#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 153#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 157#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 160#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 161#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 162#L531-3 assume !(main_~k~0 < main_~array_size~0); 163#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 159#L516-3 [2020-10-19 20:24:56,074 INFO L796 eck$LassoCheckResult]: Loop: 159#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 156#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 154#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 155#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 159#L516-3 [2020-10-19 20:24:56,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:56,075 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-10-19 20:24:56,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:56,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346375993] [2020-10-19 20:24:56,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:56,089 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:56,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:56,106 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:56,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:56,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2020-10-19 20:24:56,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:56,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918893327] [2020-10-19 20:24:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:56,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:56,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:56,120 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:56,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:56,121 INFO L82 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2020-10-19 20:24:56,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:56,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075418791] [2020-10-19 20:24:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:56,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:56,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:56,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:56,400 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-10-19 20:24:56,494 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:24:56,495 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:24:56,495 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:24:56,495 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:24:56,495 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:24:56,495 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:56,495 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:24:56,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:24:56,496 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration3_Lasso [2020-10-19 20:24:56,496 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:24:56,496 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:24:56,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,671 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-19 20:24:56,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:56,922 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-10-19 20:24:57,132 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:24:57,133 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-19 20:24:57,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:57,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:57,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,148 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) [2020-10-19 20:24:57,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:57,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:57,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:57,199 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) [2020-10-19 20:24:57,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:57,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,252 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) [2020-10-19 20:24:57,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:57,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:57,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:57,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:57,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:57,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:57,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:57,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:57,391 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) [2020-10-19 20:24:57,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:57,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:57,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:57,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:57,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:57,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:57,494 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) [2020-10-19 20:24:57,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:57,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:57,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:57,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:57,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:57,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:57,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:57,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:57,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:57,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:57,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:57,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:57,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:57,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:57,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:57,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:57,782 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:24:57,835 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2020-10-19 20:24:57,835 INFO L444 ModelExtractionUtils]: 18 out of 37 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:57,840 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:24:57,842 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 20:24:57,843 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:24:57,843 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2020-10-19 20:24:57,890 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-10-19 20:24:57,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:24:57,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:24:57,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:24:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:24:57,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:24:57,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:24:57,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:24:57,944 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:24:57,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-10-19 20:24:57,960 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 4 states. [2020-10-19 20:24:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 20:24:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:24:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-10-19 20:24:57,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2020-10-19 20:24:57,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:57,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2020-10-19 20:24:57,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:57,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2020-10-19 20:24:57,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:57,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2020-10-19 20:24:57,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:24:57,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 21 transitions. [2020-10-19 20:24:57,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 20:24:57,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 20:24:57,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2020-10-19 20:24:57,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 20:24:57,965 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-10-19 20:24:57,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2020-10-19 20:24:57,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-10-19 20:24:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-19 20:24:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-10-19 20:24:57,968 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-10-19 20:24:57,968 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-10-19 20:24:57,968 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 20:24:57,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2020-10-19 20:24:57,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:24:57,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:24:57,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:24:57,970 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:24:57,970 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:24:57,970 INFO L794 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 253#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 254#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 260#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 263#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 264#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 265#L531-3 assume !(main_~k~0 < main_~array_size~0); 267#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 266#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 256#L517-3 [2020-10-19 20:24:57,970 INFO L796 eck$LassoCheckResult]: Loop: 256#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 255#L517-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 256#L517-3 [2020-10-19 20:24:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:57,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2020-10-19 20:24:57,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:57,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318927752] [2020-10-19 20:24:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:57,983 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:57,993 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:57,997 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:57,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:57,997 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2020-10-19 20:24:57,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:57,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180349161] [2020-10-19 20:24:57,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:58,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:58,007 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:58,008 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:58,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:58,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2020-10-19 20:24:58,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:58,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867888559] [2020-10-19 20:24:58,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:58,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:58,035 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:58,039 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:58,250 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2020-10-19 20:24:58,314 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:24:58,314 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:24:58,314 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:24:58,314 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:24:58,314 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:24:58,314 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:58,315 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:24:58,315 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:24:58,315 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration4_Lasso [2020-10-19 20:24:58,315 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:24:58,315 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:24:58,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,488 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-10-19 20:24:58,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:24:58,701 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-19 20:24:58,978 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:24:58,978 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:58,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:58,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:58,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:58,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:58,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:58,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:58,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:58,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:58,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,014 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 [2020-10-19 20:24:59,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:59,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:59,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:59,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:59,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:59,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:59,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:59,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:59,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:59,160 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) [2020-10-19 20:24:59,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:59,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:59,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:59,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:59,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:59,219 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) [2020-10-19 20:24:59,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:59,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:59,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:59,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:59,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:59,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:59,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:59,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:59,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:24:59,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:24:59,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:24:59,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:24:59,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,444 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) [2020-10-19 20:24:59,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,499 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:24:59,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:24:59,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:24:59,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:24:59,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:24:59,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:24:59,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:24:59,532 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:24:59,546 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-19 20:24:59,546 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. 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) [2020-10-19 20:24:59,552 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:24:59,555 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 20:24:59,555 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:24:59,555 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ (* ULTIMATE.start_main_~k~0 4) ULTIMATE.start_main_~numbers~0.offset (- 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ (* ULTIMATE.start_main_~k~0 4) ULTIMATE.start_main_~numbers~0.offset (- 4)))_1 Supporting invariants [] [2020-10-19 20:24:59,610 INFO L297 tatePredicateManager]: 3 out of 6 supporting invariants were superfluous and have been removed [2020-10-19 20:24:59,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 20:24:59,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:24:59,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-19 20:24:59,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:24:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:24:59,711 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 20:24:59,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:24:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:24:59,736 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-19 20:24:59,736 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 6 states. [2020-10-19 20:24:59,839 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 6 states. Result 32 states and 41 transitions. Complement of second has 11 states. [2020-10-19 20:24:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2020-10-19 20:24:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-19 20:24:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 20 transitions. [2020-10-19 20:24:59,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-19 20:24:59,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:59,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2020-10-19 20:24:59,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:59,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 20 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-19 20:24:59,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:24:59,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2020-10-19 20:24:59,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:24:59,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 34 transitions. [2020-10-19 20:24:59,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-10-19 20:24:59,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-10-19 20:24:59,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2020-10-19 20:24:59,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 20:24:59,847 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2020-10-19 20:24:59,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2020-10-19 20:24:59,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2020-10-19 20:24:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-19 20:24:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2020-10-19 20:24:59,850 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-10-19 20:24:59,850 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-10-19 20:24:59,850 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 20:24:59,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2020-10-19 20:24:59,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:24:59,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:24:59,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:24:59,851 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:24:59,851 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:24:59,852 INFO L794 eck$LassoCheckResult]: Stem: 407#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 404#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 405#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 406#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 412#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 416#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 421#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 414#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 415#L531-3 assume !(main_~k~0 < main_~array_size~0); 417#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 418#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 401#L517-3 [2020-10-19 20:24:59,852 INFO L796 eck$LassoCheckResult]: Loop: 401#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 400#L517-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 401#L517-3 [2020-10-19 20:24:59,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:59,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2020-10-19 20:24:59,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:59,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747071654] [2020-10-19 20:24:59,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:59,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:59,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:59,875 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:59,875 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2020-10-19 20:24:59,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:59,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147149351] [2020-10-19 20:24:59,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:59,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:59,882 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:59,884 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:24:59,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:24:59,884 INFO L82 PathProgramCache]: Analyzing trace with hash -856885645, now seen corresponding path program 2 times [2020-10-19 20:24:59,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:24:59,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311937800] [2020-10-19 20:24:59,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:24:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:59,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:24:59,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:24:59,915 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:25:00,154 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2020-10-19 20:25:00,232 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:25:00,233 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:25:00,233 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:25:00,233 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:25:00,233 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:25:00,233 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:00,233 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:25:00,234 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:25:00,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration5_Lasso [2020-10-19 20:25:00,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:25:00,234 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:25:00,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:00,812 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:25:00,813 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-19 20:25:00,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:00,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:00,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:00,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:00,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:00,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:00,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:00,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:25:00,833 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) [2020-10-19 20:25:00,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:00,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:00,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:00,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:00,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:00,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:00,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:00,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:00,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:00,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:00,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:00,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:00,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:00,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:00,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:00,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:00,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:00,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:00,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:00,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:00,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:00,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:00,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:00,939 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:00,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:00,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:00,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:00,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:00,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:00,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:00,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:00,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:25:00,963 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) [2020-10-19 20:25:00,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:00,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:00,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:00,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:00,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:00,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:00,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:00,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:01,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:01,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:25:01,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:01,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:01,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:01,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:01,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:25:01,081 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) [2020-10-19 20:25:01,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:01,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:01,114 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) [2020-10-19 20:25:01,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:01,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:01,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,151 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) [2020-10-19 20:25:01,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:01,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,196 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 [2020-10-19 20:25:01,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:01,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:01,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:01,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:01,276 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 [2020-10-19 20:25:01,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:01,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:01,315 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:25:01,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:01,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:01,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:01,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:01,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:01,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:01,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:01,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:01,355 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:25:01,357 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:25:01,358 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 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 [2020-10-19 20:25:01,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:25:01,360 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:25:01,361 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:25:01,361 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_2 Supporting invariants [] [2020-10-19 20:25:01,401 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 20:25:01,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 20:25:01,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:01,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:25:01,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:01,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:25:01,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:25:01,447 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:25:01,447 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 29 transitions. cyclomatic complexity: 11 Second operand 3 states. [2020-10-19 20:25:01,466 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 29 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 33 states and 43 transitions. Complement of second has 7 states. [2020-10-19 20:25:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:25:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:25:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-10-19 20:25:01,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2020-10-19 20:25:01,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:01,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 13 letters. Loop has 2 letters. [2020-10-19 20:25:01,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:01,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 4 letters. [2020-10-19 20:25:01,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:01,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2020-10-19 20:25:01,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:25:01,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 33 transitions. [2020-10-19 20:25:01,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-10-19 20:25:01,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-10-19 20:25:01,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2020-10-19 20:25:01,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 20:25:01,475 INFO L691 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2020-10-19 20:25:01,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2020-10-19 20:25:01,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2020-10-19 20:25:01,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-19 20:25:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2020-10-19 20:25:01,477 INFO L714 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2020-10-19 20:25:01,477 INFO L594 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2020-10-19 20:25:01,478 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-19 20:25:01,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2020-10-19 20:25:01,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:25:01,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:25:01,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:25:01,479 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:25:01,479 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:25:01,479 INFO L794 eck$LassoCheckResult]: Stem: 545#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 542#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 543#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 544#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 550#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 552#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 553#L531-3 assume !(main_~k~0 < main_~array_size~0); 554#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 551#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 541#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 555#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 548#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 549#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 539#L517-3 [2020-10-19 20:25:01,479 INFO L796 eck$LassoCheckResult]: Loop: 539#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 538#L517-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 539#L517-3 [2020-10-19 20:25:01,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:01,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762469, now seen corresponding path program 2 times [2020-10-19 20:25:01,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:25:01,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556415836] [2020-10-19 20:25:01,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:25:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:25:01,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556415836] [2020-10-19 20:25:01,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958422864] [2020-10-19 20:25:01,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 20:25:01,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-19 20:25:01,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 20:25:01,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 20:25:01,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:25:01,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 20:25:01,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-10-19 20:25:01,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367004414] [2020-10-19 20:25:01,639 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:25:01,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:01,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2020-10-19 20:25:01,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:25:01,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731187590] [2020-10-19 20:25:01,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:25:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,651 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:25:01,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:25:01,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-19 20:25:01,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-19 20:25:01,685 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand 10 states. [2020-10-19 20:25:01,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:25:01,818 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2020-10-19 20:25:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 20:25:01,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2020-10-19 20:25:01,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:25:01,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2020-10-19 20:25:01,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 20:25:01,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-19 20:25:01,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2020-10-19 20:25:01,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 20:25:01,823 INFO L691 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-19 20:25:01,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2020-10-19 20:25:01,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-10-19 20:25:01,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-19 20:25:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-10-19 20:25:01,825 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-10-19 20:25:01,825 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-10-19 20:25:01,825 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-19 20:25:01,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2020-10-19 20:25:01,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:25:01,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:25:01,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:25:01,826 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:25:01,827 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:25:01,827 INFO L794 eck$LassoCheckResult]: Stem: 655#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 652#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 653#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 654#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 660#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 662#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 663#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 664#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 666#L531-3 assume !(main_~k~0 < main_~array_size~0); 665#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 661#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 651#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 667#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 656#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 657#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 649#L517-3 [2020-10-19 20:25:01,827 INFO L796 eck$LassoCheckResult]: Loop: 649#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 648#L517-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 649#L517-3 [2020-10-19 20:25:01,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:01,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615491, now seen corresponding path program 3 times [2020-10-19 20:25:01,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:25:01,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381910668] [2020-10-19 20:25:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:25:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,839 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,852 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:25:01,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:01,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 4 times [2020-10-19 20:25:01,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:25:01,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370144895] [2020-10-19 20:25:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:25:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,861 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:25:01,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:01,862 INFO L82 PathProgramCache]: Analyzing trace with hash 131023752, now seen corresponding path program 1 times [2020-10-19 20:25:01,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:25:01,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102344822] [2020-10-19 20:25:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:25:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,874 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:25:01,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:25:01,890 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:25:02,180 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2020-10-19 20:25:02,291 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-19 20:25:02,293 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:25:02,293 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:25:02,293 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:25:02,293 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:25:02,293 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:25:02,293 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:02,293 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:25:02,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:25:02,294 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration7_Lasso [2020-10-19 20:25:02,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:25:02,294 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:25:02,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:25:02,804 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:25:02,804 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-19 20:25:02,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:02,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:02,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:02,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:02,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:02,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:02,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:02,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:25:02,813 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 [2020-10-19 20:25:02,834 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 [2020-10-19 20:25:02,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:02,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:02,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:02,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:02,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:02,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:02,842 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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:25:02,864 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 [2020-10-19 20:25:02,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:02,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:02,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:02,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:02,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:02,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:02,882 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 [2020-10-19 20:25:02,903 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 [2020-10-19 20:25:02,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:02,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:02,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:02,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:02,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:02,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:02,915 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 [2020-10-19 20:25:02,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:02,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:02,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:02,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:02,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:02,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:02,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:02,943 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 [2020-10-19 20:25:02,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:25:02,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:02,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:02,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:02,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:02,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:25:02,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:25:02,971 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 [2020-10-19 20:25:02,994 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 [2020-10-19 20:25:02,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:25:02,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:25:02,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:25:02,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:25:02,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:25:02,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:25:02,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:25:02,997 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:25:02,999 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-10-19 20:25:02,999 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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 [2020-10-19 20:25:03,001 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:25:03,001 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:25:03,001 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:25:03,001 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_3 Supporting invariants [] [2020-10-19 20:25:03,030 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-10-19 20:25:03,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 20:25:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:03,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:25:03,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:03,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:25:03,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:25:03,075 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:25:03,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 20:25:03,091 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 7 states. [2020-10-19 20:25:03,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:25:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:25:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-10-19 20:25:03,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 20:25:03,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:03,093 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 20:25:03,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:03,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:25:03,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:03,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:25:03,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:25:03,138 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:25:03,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 20:25:03,152 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 7 states. [2020-10-19 20:25:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:25:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:25:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-10-19 20:25:03,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 20:25:03,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:03,154 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 20:25:03,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:25:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:03,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:25:03,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:25:03,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:25:03,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:25:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:25:03,198 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:25:03,198 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 20:25:03,218 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 32 transitions. Complement of second has 6 states. [2020-10-19 20:25:03,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:25:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:25:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-10-19 20:25:03,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 20:25:03,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:03,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 20:25:03,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:03,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-19 20:25:03,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:25:03,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2020-10-19 20:25:03,221 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:25:03,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2020-10-19 20:25:03,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:25:03,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:25:03,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:25:03,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:25:03,222 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:25:03,222 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:25:03,222 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:25:03,222 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-19 20:25:03,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:25:03,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:25:03,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:25:03,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:25:03 BoogieIcfgContainer [2020-10-19 20:25:03,228 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:25:03,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:25:03,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:25:03,229 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:25:03,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:24:53" (3/4) ... [2020-10-19 20:25:03,233 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:25:03,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:25:03,235 INFO L168 Benchmark]: Toolchain (without parser) took 10308.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 161.4 MB. Max. memory is 11.5 GB. [2020-10-19 20:25:03,235 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:25:03,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:25:03,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.24 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:25:03,236 INFO L168 Benchmark]: Boogie Preprocessor took 26.05 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. [2020-10-19 20:25:03,237 INFO L168 Benchmark]: RCFGBuilder took 380.83 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:25:03,238 INFO L168 Benchmark]: BuchiAutomizer took 9278.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 192.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.2 MB). Peak memory consumption was 158.2 MB. Max. memory is 11.5 GB. [2020-10-19 20:25:03,238 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:25:03,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 564.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.24 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.05 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 380.83 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9278.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 192.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.2 MB). Peak memory consumption was 158.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (2 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -4 * k + unknown-#length-unknown[numbers] and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[numbers][k * 4 + numbers + -4] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 118 SDslu, 63 SDs, 0 SdLazy, 162 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital153 mio100 ax112 hnf98 lsp81 ukn82 mio100 lsp61 div100 bol100 ite100 ukn100 eq173 hnf91 smp96 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...