./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex04.c --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/loops/trex04.c -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 c0c30085260bdb967fa5af56fb7a55027317cc86 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:11:34,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:11:34,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:11:34,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:11:34,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:11:34,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:11:34,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:11:35,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:11:35,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:11:35,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:11:35,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:11:35,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:11:35,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:11:35,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:11:35,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:11:35,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:11:35,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:11:35,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:11:35,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:11:35,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:11:35,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:11:35,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:11:35,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:11:35,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:11:35,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:11:35,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:11:35,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:11:35,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:11:35,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:11:35,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:11:35,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:11:35,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:11:35,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:11:35,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:11:35,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:11:35,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:11:35,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:11:35,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:11:35,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:11:35,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:11:35,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:11:35,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:11:35,116 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:11:35,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:11:35,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:11:35,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:11:35,120 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:11:35,121 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:11:35,121 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:11:35,121 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:11:35,122 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:11:35,122 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:11:35,124 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:11:35,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:11:35,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:11:35,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:11:35,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:11:35,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:11:35,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:11:35,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:11:35,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:11:35,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:11:35,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:11:35,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:11:35,129 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:11:35,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:11:35,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:11:35,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:11:35,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:11:35,130 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:11:35,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:11:35,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:11:35,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:11:35,131 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:11:35,133 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:11:35,133 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 -> c0c30085260bdb967fa5af56fb7a55027317cc86 [2020-10-19 19:11:35,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:11:35,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:11:35,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:11:35,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:11:35,561 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:11:35,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex04.c [2020-10-19 19:11:35,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405775bff/15609bc519e94b2ba16c390c74b6b998/FLAG61dd75fd5 [2020-10-19 19:11:36,167 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:11:36,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2020-10-19 19:11:36,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405775bff/15609bc519e94b2ba16c390c74b6b998/FLAG61dd75fd5 [2020-10-19 19:11:36,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/405775bff/15609bc519e94b2ba16c390c74b6b998 [2020-10-19 19:11:36,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:11:36,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:11:36,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:11:36,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:11:36,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:11:36,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3255346f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36, skipping insertion in model container [2020-10-19 19:11:36,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:11:36,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:11:36,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:11:36,752 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:11:36,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:11:36,797 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:11:36,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36 WrapperNode [2020-10-19 19:11:36,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:11:36,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:11:36,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:11:36,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:11:36,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:11:36,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:11:36,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:11:36,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:11:36,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (1/1) ... [2020-10-19 19:11:36,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:11:36,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:11:36,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:11:36,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:11:36,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (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 19:11:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:11:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:11:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:11:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:11:37,374 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:11:37,375 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-19 19:11:37,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:37 BoogieIcfgContainer [2020-10-19 19:11:37,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:11:37,378 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:11:37,378 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:11:37,383 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:11:37,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:37,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:11:36" (1/3) ... [2020-10-19 19:11:37,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f1d909f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:11:37, skipping insertion in model container [2020-10-19 19:11:37,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:37,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:11:36" (2/3) ... [2020-10-19 19:11:37,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f1d909f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:11:37, skipping insertion in model container [2020-10-19 19:11:37,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:11:37,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:37" (3/3) ... [2020-10-19 19:11:37,390 INFO L373 chiAutomizerObserver]: Analyzing ICFG trex04.c [2020-10-19 19:11:37,465 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:11:37,465 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:11:37,466 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:11:37,466 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:11:37,466 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:11:37,467 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:11:37,467 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:11:37,467 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:11:37,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-10-19 19:11:37,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 19:11:37,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:37,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:37,555 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:37,556 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:11:37,556 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:11:37,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-10-19 19:11:37,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 19:11:37,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:37,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:37,565 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:37,565 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:11:37,572 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_~d~0, main_~x~0, main_~c1~1, main_~c2~1;main_~d~0 := 1;main_~x~0 := main_#t~nondet11;havoc main_#t~nondet11; 12#L31true assume !!(main_~x~0 <= 1000000 && main_~x~0 >= -1000000);main_~c1~1 := main_#t~nondet12;havoc main_#t~nondet12;main_~c2~1 := main_#t~nondet13;havoc main_#t~nondet13; 19#L34true assume !(0 != main_~c1~1 % 256); 15#L34-2true assume !(0 != main_~c2~1 % 256); 21#L35true main_~c1~1 := main_#t~nondet14;havoc main_#t~nondet14;main_~c2~1 := main_#t~nondet15;havoc main_#t~nondet15; 5#L39true assume !(0 != main_~c1~1 % 256); 3#L39-1true assume !(0 != main_~c2~1 % 256); 9#L42-1true [2020-10-19 19:11:37,573 INFO L796 eck$LassoCheckResult]: Loop: 9#L42-1true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 - main_~d~0; 9#L42-1true [2020-10-19 19:11:37,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:37,581 INFO L82 PathProgramCache]: Analyzing trace with hash 179965264, now seen corresponding path program 1 times [2020-10-19 19:11:37,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:37,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280274167] [2020-10-19 19:11:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:37,725 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:37,751 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:37,779 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:37,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:37,781 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 1 times [2020-10-19 19:11:37,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:37,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132729287] [2020-10-19 19:11:37,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:37,786 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:37,790 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:37,794 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:37,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:37,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1283955952, now seen corresponding path program 1 times [2020-10-19 19:11:37,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:37,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950883512] [2020-10-19 19:11:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:37,820 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:37,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:37,857 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:38,320 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-10-19 19:11:38,488 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-19 19:11:38,498 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:11:38,499 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:11:38,499 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:11:38,500 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:11:38,500 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:11:38,500 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:38,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:11:38,501 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:11:38,501 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2020-10-19 19:11:38,501 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:11:38,502 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:11:38,524 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 19:11:38,537 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 19:11:38,545 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 19:11:38,548 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 19:11:38,553 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 19:11:38,558 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 19:11:38,561 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 19:11:38,654 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 19:11:38,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:11:38,661 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 19:11:38,663 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 19:11:38,667 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 19:11:38,671 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 19:11:38,674 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 19:11:38,977 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:11:38,982 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) [2020-10-19 19:11:38,994 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 19:11:38,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:38,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:38,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:38,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:38,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,003 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 19:11:39,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:39,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:39,099 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 19:11:39,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,104 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 19:11:39,152 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 19:11:39,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,158 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 19:11:39,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,211 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 19:11:39,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,226 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 19:11:39,253 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 19:11:39,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,292 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 19:11:39,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,345 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 19:11:39,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,397 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 19:11:39,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:11:39,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,444 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,477 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 19:11:39,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:39,537 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 19:11:39,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,548 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 19:11:39,600 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 19:11:39,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,609 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 19:11:39,655 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 19:11:39,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 15 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,707 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 19:11:39,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,757 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 19:11:39,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,765 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 19:11:39,792 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 19:11:39,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,830 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 19:11:39,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,884 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 19:11:39,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 19:11:39,927 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 19:11:39,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:11:39,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:11:39,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:11:39,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:39,959 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 19:11:39,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:39,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:39,991 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 19:11:39,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:39,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:39,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:39,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:39,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:39,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:40,024 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:40,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:40,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:40,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:40,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:40,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:40,035 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 19:11:40,072 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 19:11:40,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:11:40,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:11:40,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:11:40,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:11:40,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:11:40,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:11:40,103 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,126 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-19 19:11:40,126 INFO L444 ModelExtractionUtils]: 1 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:11:40,139 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:11:40,147 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 19:11:40,148 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:11:40,149 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~d~0 - 1 >= 0] [2020-10-19 19:11:40,204 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-10-19 19:11:40,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:40,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 19:11:40,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:11:40,310 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:11:40,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:11:40,311 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 19:11:40,333 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-10-19 19:11:40,335 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 3 states. [2020-10-19 19:11:40,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 3 states. Result 64 states and 92 transitions. Complement of second has 8 states. [2020-10-19 19:11:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-19 19:11:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 19:11:40,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 64 transitions. [2020-10-19 19:11:40,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 8 letters. Loop has 1 letters. [2020-10-19 19:11:40,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:40,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 9 letters. Loop has 1 letters. [2020-10-19 19:11:40,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:40,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 8 letters. Loop has 2 letters. [2020-10-19 19:11:40,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:11:40,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 92 transitions. [2020-10-19 19:11:40,529 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-19 19:11:40,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 24 states and 38 transitions. [2020-10-19 19:11:40,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-10-19 19:11:40,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-10-19 19:11:40,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 38 transitions. [2020-10-19 19:11:40,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:11:40,537 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 38 transitions. [2020-10-19 19:11:40,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 38 transitions. [2020-10-19 19:11:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2020-10-19 19:11:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-19 19:11:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 35 transitions. [2020-10-19 19:11:40,578 INFO L714 BuchiCegarLoop]: Abstraction has 21 states and 35 transitions. [2020-10-19 19:11:40,578 INFO L594 BuchiCegarLoop]: Abstraction has 21 states and 35 transitions. [2020-10-19 19:11:40,578 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:11:40,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 35 transitions. [2020-10-19 19:11:40,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 19:11:40,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:11:40,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:11:40,585 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:11:40,585 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:11:40,586 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 187#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_~d~0, main_~x~0, main_~c1~1, main_~c2~1;main_~d~0 := 1;main_~x~0 := main_#t~nondet11;havoc main_#t~nondet11; 188#L31 assume !!(main_~x~0 <= 1000000 && main_~x~0 >= -1000000);main_~c1~1 := main_#t~nondet12;havoc main_#t~nondet12;main_~c2~1 := main_#t~nondet13;havoc main_#t~nondet13; 189#L34 assume 0 != main_~c1~1 % 256;main_~d~0 := main_~d~0 - 1; 191#L34-2 assume !(0 != main_~c2~1 % 256); 186#L35 main_~c1~1 := main_#t~nondet14;havoc main_#t~nondet14;main_~c2~1 := main_#t~nondet15;havoc main_#t~nondet15; 183#L39 assume !(0 != main_~c1~1 % 256); 182#L39-1 assume !(0 != main_~c2~1 % 256); 180#L42-1 [2020-10-19 19:11:40,586 INFO L796 eck$LassoCheckResult]: Loop: 180#L42-1 assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 - main_~d~0; 180#L42-1 [2020-10-19 19:11:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:40,587 INFO L82 PathProgramCache]: Analyzing trace with hash 178118222, now seen corresponding path program 1 times [2020-10-19 19:11:40,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:40,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128799526] [2020-10-19 19:11:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,674 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:40,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:40,675 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 2 times [2020-10-19 19:11:40,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:40,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842606760] [2020-10-19 19:11:40,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,679 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,685 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:40,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:11:40,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1226697650, now seen corresponding path program 1 times [2020-10-19 19:11:40,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:11:40,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722229677] [2020-10-19 19:11:40,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:11:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,701 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:11:40,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:11:40,719 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:11:41,020 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2020-10-19 19:11:41,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:11:41 BoogieIcfgContainer [2020-10-19 19:11:41,135 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:11:41,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:11:41,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:11:41,136 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:11:41,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:11:37" (3/4) ... [2020-10-19 19:11:41,140 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-19 19:11:41,183 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 19:11:41,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:11:41,185 INFO L168 Benchmark]: Toolchain (without parser) took 4707.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -108.5 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:41,186 INFO L168 Benchmark]: CDTParser took 0.29 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 19:11:41,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:41,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:41,188 INFO L168 Benchmark]: Boogie Preprocessor took 29.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:41,188 INFO L168 Benchmark]: RCFGBuilder took 427.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:41,189 INFO L168 Benchmark]: BuchiAutomizer took 3757.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -19.6 MB). Peak memory consumption was 74.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:11:41,189 INFO L168 Benchmark]: Witness Printer took 47.76 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 19:11:41,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 314.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 427.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3757.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -19.6 MB). Peak memory consumption was 74.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 45 SDtfs, 47 SDslu, 25 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital136 mio100 ax100 hnf98 lsp69 ukn47 mio100 lsp47 div209 bol100 ite100 ukn100 eq145 hnf45 smp100 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, d=0, NULL=0, NULL=4, NULL=0, \result=0, NULL=3, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a5473d2=0, NULL=0, c2=256, c1=256, x=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19257eaa=0, NULL=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c48310c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a310fc4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13e227b3=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 [L35] COND FALSE !(\read(c2)) [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) [L40] COND FALSE !(\read(c2)) Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...