./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_7-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/jain_7-2.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 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 ..................................................................................................................................................................................................................................................................................... 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 0.2.0-5485861 [2020-10-26 04:27:38,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:27:38,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:27:38,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:27:38,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:27:38,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:27:38,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:27:38,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:27:38,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:27:38,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:27:38,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:27:38,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:27:38,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:27:38,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:27:38,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:27:38,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:27:38,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:27:38,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:27:38,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:27:38,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:27:38,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:27:38,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:27:38,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:27:38,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:27:38,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:27:38,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:27:38,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:27:38,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:27:38,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:27:38,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:27:38,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:27:38,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:27:38,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:27:38,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:27:38,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:27:38,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:27:38,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:27:38,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:27:38,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:27:38,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:27:38,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:27:38,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:27:38,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:27:38,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:27:38,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:27:38,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:27:38,709 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:27:38,710 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:27:38,710 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:27:38,710 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:27:38,711 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:27:38,711 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:27:38,711 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:27:38,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:27:38,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:27:38,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:27:38,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:27:38,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:27:38,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:27:38,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:27:38,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:27:38,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:27:38,714 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:27:38,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:27:38,715 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:27:38,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:27:38,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:27:38,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:27:38,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:27:38,716 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:27:38,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:27:38,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:27:38,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:27:38,718 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:27:38,719 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:27:38,719 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 [2020-10-26 04:27:39,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:27:39,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:27:39,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:27:39,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:27:39,280 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:27:39,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_7-2.c [2020-10-26 04:27:39,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c62e6d9a5/265083e1610747f280aff3001544ab18/FLAG22f008982 [2020-10-26 04:27:40,016 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:27:40,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_7-2.c [2020-10-26 04:27:40,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c62e6d9a5/265083e1610747f280aff3001544ab18/FLAG22f008982 [2020-10-26 04:27:40,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c62e6d9a5/265083e1610747f280aff3001544ab18 [2020-10-26 04:27:40,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:27:40,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:27:40,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:27:40,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:27:40,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:27:40,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4953d1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40, skipping insertion in model container [2020-10-26 04:27:40,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:27:40,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:27:40,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:27:40,653 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:27:40,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:27:40,690 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:27:40,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40 WrapperNode [2020-10-26 04:27:40,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:27:40,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:27:40,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:27:40,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:27:40,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:27:40,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:27:40,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:27:40,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:27:40,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... [2020-10-26 04:27:40,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:27:40,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:27:40,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:27:40,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:27:40,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:27:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:27:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:27:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:27:41,085 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:27:41,095 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-26 04:27:41,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:27:41 BoogieIcfgContainer [2020-10-26 04:27:41,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:27:41,104 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:27:41,108 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:27:41,116 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:27:41,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:27:41,122 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:27:40" (1/3) ... [2020-10-26 04:27:41,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68b0f02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:27:41, skipping insertion in model container [2020-10-26 04:27:41,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:27:41,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:40" (2/3) ... [2020-10-26 04:27:41,128 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68b0f02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:27:41, skipping insertion in model container [2020-10-26 04:27:41,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:27:41,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:27:41" (3/3) ... [2020-10-26 04:27:41,134 INFO L373 chiAutomizerObserver]: Analyzing ICFG jain_7-2.c [2020-10-26 04:27:41,233 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:27:41,233 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:27:41,233 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:27:41,234 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:27:41,234 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:27:41,234 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:27:41,234 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:27:41,235 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:27:41,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-26 04:27:41,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:27:41,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:27:41,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:27:41,278 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:27:41,279 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:27:41,279 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:27:41,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-26 04:27:41,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:27:41,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:27:41,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:27:41,282 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:27:41,282 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:27:41,290 INFO L794 eck$LassoCheckResult]: Stem: 5#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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 4#L7-2true [2020-10-26 04:27:41,291 INFO L796 eck$LassoCheckResult]: Loop: 4#L7-2true assume !false;main_~x~0 := main_~x~0 + 1048576 * main_#t~nondet7;havoc main_#t~nondet7;main_~y~0 := main_~y~0 + 2097152 * main_#t~nondet8;havoc main_#t~nondet8;main_~z~0 := main_~z~0 + 4194304 * main_#t~nondet9;havoc main_#t~nondet9;__VERIFIER_assert_#in~cond := (if 1048576 != (4 * main_~x~0 - 2 * main_~y~0 + main_~z~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 7#L7true assume !(0 == __VERIFIER_assert_~cond); 4#L7-2true [2020-10-26 04:27:41,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:41,299 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-26 04:27:41,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:41,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099878743] [2020-10-26 04:27:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:41,432 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:41,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:41,476 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:41,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:41,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1322, now seen corresponding path program 1 times [2020-10-26 04:27:41,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:41,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480722135] [2020-10-26 04:27:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:41,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:41,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:41,525 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:41,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:41,528 INFO L82 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2020-10-26 04:27:41,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:41,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363515652] [2020-10-26 04:27:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:41,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:41,585 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:41,592 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:41,933 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-26 04:27:42,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:27:42 BoogieIcfgContainer [2020-10-26 04:27:42,062 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:27:42,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:27:42,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:27:42,063 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:27:42,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:27:41" (3/4) ... [2020-10-26 04:27:42,068 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-26 04:27:42,111 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 04:27:42,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:27:42,115 INFO L168 Benchmark]: Toolchain (without parser) took 1739.17 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.9 MB in the beginning and 43.4 MB in the end (delta: -20.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:42,116 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:27:42,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.26 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.3 MB in the beginning and 35.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:42,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.71 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 33.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:27:42,119 INFO L168 Benchmark]: Boogie Preprocessor took 23.87 ms. Allocated memory is still 56.6 MB. Free memory was 33.7 MB in the beginning and 32.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:42,120 INFO L168 Benchmark]: RCFGBuilder took 345.22 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 37.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:42,121 INFO L168 Benchmark]: BuchiAutomizer took 958.18 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 45.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:42,122 INFO L168 Benchmark]: Witness Printer took 49.26 ms. Allocated memory is still 69.2 MB. Free memory was 45.0 MB in the beginning and 43.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:42,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.4 MB in the beginning and 29.3 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.26 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.3 MB in the beginning and 35.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.71 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 33.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.87 ms. Allocated memory is still 56.6 MB. Free memory was 33.7 MB in the beginning and 32.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 345.22 ms. Allocated memory is still 56.6 MB. Free memory was 32.7 MB in the beginning and 37.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 958.18 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 45.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Witness Printer took 49.26 ms. Allocated memory is still 69.2 MB. Free memory was 45.0 MB in the beginning and 43.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=18524} State at position 1 is {cond=1, NULL=0, NULL=0, NULL=0, NULL=18525, NULL=0, \result=0, NULL=18526, NULL=18524, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22be2070=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b11ef8b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b7e619b=0, NULL=0, z=0, x=0, y=0, NULL=18527} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 6]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] unsigned int x,y,z; [L16] x=0U [L17] y=0U [L18] z=0U Loop: [L20] COND TRUE 1 [L22] x = x +1048576U*__VERIFIER_nondet_uint() [L23] y = y +2097152U*__VERIFIER_nondet_uint() [L24] z = z +4194304U*__VERIFIER_nondet_uint() [L7] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...