./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_accelerometer_1.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/psyco/psyco_accelerometer_1.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 f984bd5abbd4adc0ae4b2416fd7142c889297d5b ................................................................................................................................................................................................................................................................................................................................................................. 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 19:08:01,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:08:01,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:08:01,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:08:01,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:08:01,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:08:01,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:08:01,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:08:01,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:08:01,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:08:01,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:08:01,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:08:01,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:08:01,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:08:01,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:08:01,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:08:01,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:08:01,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:08:01,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:08:01,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:08:01,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:08:01,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:08:01,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:08:01,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:08:01,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:08:01,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:08:01,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:08:01,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:08:01,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:08:01,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:08:01,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:08:01,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:08:01,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:08:01,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:08:01,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:08:01,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:08:01,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:08:01,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:08:01,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:08:01,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:08:01,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:08:01,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:08:01,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:08:01,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:08:01,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:08:01,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:08:01,681 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:08:01,682 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:08:01,682 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:08:01,682 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:08:01,682 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:08:01,683 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:08:01,684 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:08:01,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:08:01,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:08:01,685 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:08:01,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:08:01,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:08:01,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:08:01,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:08:01,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:08:01,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:08:01,687 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:08:01,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:08:01,688 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:08:01,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:08:01,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:08:01,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:08:01,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:08:01,689 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:08:01,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:08:01,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:08:01,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:08:01,690 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:08:01,692 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:08:01,693 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 -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2020-10-19 19:08:01,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:08:02,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:08:02,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:08:02,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:08:02,036 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:08:02,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-10-19 19:08:02,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2648692e4/4d110996d97e485dbd565500b6f61b34/FLAG4c5b0db7a [2020-10-19 19:08:02,835 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:08:02,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-10-19 19:08:02,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2648692e4/4d110996d97e485dbd565500b6f61b34/FLAG4c5b0db7a [2020-10-19 19:08:02,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2648692e4/4d110996d97e485dbd565500b6f61b34 [2020-10-19 19:08:02,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:08:02,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:08:02,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:08:02,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:08:02,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:08:02,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:08:02" (1/1) ... [2020-10-19 19:08:02,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e92c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:02, skipping insertion in model container [2020-10-19 19:08:02,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:08:02" (1/1) ... [2020-10-19 19:08:02,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:08:03,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:08:03,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:08:03,982 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:08:04,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:08:04,270 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:08:04,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04 WrapperNode [2020-10-19 19:08:04,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:08:04,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:08:04,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:08:04,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:08:04,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:08:04,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:08:04,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:08:04,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:08:04,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (1/1) ... [2020-10-19 19:08:04,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:08:04,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:08:04,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:08:04,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:08:04,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (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 19:08:04,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:08:04,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:08:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:08:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:08:06,599 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:08:06,600 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-19 19:08:06,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:06 BoogieIcfgContainer [2020-10-19 19:08:06,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:08:06,607 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:08:06,608 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:08:06,613 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:08:06,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:06,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:08:02" (1/3) ... [2020-10-19 19:08:06,617 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19fb8c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:08:06, skipping insertion in model container [2020-10-19 19:08:06,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:06,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:04" (2/3) ... [2020-10-19 19:08:06,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19fb8c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:08:06, skipping insertion in model container [2020-10-19 19:08:06,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:06,618 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:06" (3/3) ... [2020-10-19 19:08:06,620 INFO L373 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-10-19 19:08:06,680 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:08:06,681 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:08:06,681 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:08:06,681 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:08:06,681 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:08:06,682 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:08:06,682 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:08:06,682 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:08:06,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 237 states. [2020-10-19 19:08:06,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2020-10-19 19:08:06,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:08:06,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:08:06,807 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:08:06,808 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:08:06,808 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:08:06,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 237 states. [2020-10-19 19:08:06,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2020-10-19 19:08:06,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:08:06,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:08:06,837 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:08:06,838 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:08:06,851 INFO L794 eck$LassoCheckResult]: Stem: 79#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(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 9#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~nondet64, main_#t~nondet65, main_#t~nondet66, main_#t~nondet67, main_#t~nondet68, main_#t~nondet69, main_#t~nondet70, main_#t~nondet71, main_#t~nondet72, main_#t~nondet73, main_#t~nondet74, main_#t~nondet75, main_#t~nondet76, main_#t~nondet77, main_#t~nondet78, main_#t~nondet79, main_#t~nondet80, main_#t~nondet81, main_#t~nondet82, main_#t~nondet83, main_#t~nondet84, main_#t~nondet85, main_#t~nondet86, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~q~0, main_~method_id~0, main_~this_m_conn~0, main_~this_m_sensitivity~0, main_~this_m_samples~0, main_~this_m_delta~0, main_~this_m_accX~0, main_~this_m_sensorInfo~0, main_~this_m_conn_data_listener~0, main_~this_m_accY~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_m_conn~0 := 0;main_~this_m_sensitivity~0 := 100;main_~this_m_samples~0 := 200;main_~this_m_delta~0 := 1;main_~this_m_accX~0 := 0;main_~this_m_sensorInfo~0 := 0;main_~this_m_conn_data_listener~0 := 0;main_~this_m_accY~0 := 0; 157#L34-2true [2020-10-19 19:08:06,852 INFO L796 eck$LassoCheckResult]: Loop: 157#L34-2true goto; 33#L1248true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := (if 0 == main_#t~nondet10 then 0 else 1);havoc main_#t~nondet10;main_~P5~0 := (if 0 == main_#t~nondet11 then 0 else 1);havoc main_#t~nondet11;main_~P6~0 := (if 0 == main_#t~nondet12 then 0 else 1);havoc main_#t~nondet12; 238#L46true assume !(0 == main_~q~0); 82#L66true assume !(1 == main_~q~0); 138#L150true assume !(2 == main_~q~0); 97#L330true assume !(3 == main_~q~0); 223#L1070true assume !(4 == main_~q~0); 157#L34-2true [2020-10-19 19:08:06,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:06,862 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 19:08:06,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:06,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417585054] [2020-10-19 19:08:06,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,070 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,122 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,165 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:07,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:07,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2020-10-19 19:08:07,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:07,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013450452] [2020-10-19 19:08:07,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,233 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,240 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:07,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:07,247 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2020-10-19 19:08:07,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:07,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264161345] [2020-10-19 19:08:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:08:07,371 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 19:08:07,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264161345] [2020-10-19 19:08:07,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:08:07,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:08:07,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216995768] [2020-10-19 19:08:07,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:08:07,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:08:07,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:08:07,541 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2020-10-19 19:08:07,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:08:07,771 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2020-10-19 19:08:07,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 19:08:07,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2020-10-19 19:08:07,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2020-10-19 19:08:07,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2020-10-19 19:08:07,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2020-10-19 19:08:07,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2020-10-19 19:08:07,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2020-10-19 19:08:07,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:08:07,792 INFO L691 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-10-19 19:08:07,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2020-10-19 19:08:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-10-19 19:08:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-19 19:08:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2020-10-19 19:08:07,838 INFO L714 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-10-19 19:08:07,838 INFO L594 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-10-19 19:08:07,839 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:08:07,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2020-10-19 19:08:07,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2020-10-19 19:08:07,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:08:07,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:08:07,842 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 19:08:07,842 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 19:08:07,842 INFO L794 eck$LassoCheckResult]: Stem: 589#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(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 489#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~nondet64, main_#t~nondet65, main_#t~nondet66, main_#t~nondet67, main_#t~nondet68, main_#t~nondet69, main_#t~nondet70, main_#t~nondet71, main_#t~nondet72, main_#t~nondet73, main_#t~nondet74, main_#t~nondet75, main_#t~nondet76, main_#t~nondet77, main_#t~nondet78, main_#t~nondet79, main_#t~nondet80, main_#t~nondet81, main_#t~nondet82, main_#t~nondet83, main_#t~nondet84, main_#t~nondet85, main_#t~nondet86, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~q~0, main_~method_id~0, main_~this_m_conn~0, main_~this_m_sensitivity~0, main_~this_m_samples~0, main_~this_m_delta~0, main_~this_m_accX~0, main_~this_m_sensorInfo~0, main_~this_m_conn_data_listener~0, main_~this_m_accY~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_m_conn~0 := 0;main_~this_m_sensitivity~0 := 100;main_~this_m_samples~0 := 200;main_~this_m_delta~0 := 1;main_~this_m_accX~0 := 0;main_~this_m_sensorInfo~0 := 0;main_~this_m_conn_data_listener~0 := 0;main_~this_m_accY~0 := 0; 490#L34-2 goto; 529#L1248 [2020-10-19 19:08:07,842 INFO L796 eck$LassoCheckResult]: Loop: 529#L1248 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := (if 0 == main_#t~nondet10 then 0 else 1);havoc main_#t~nondet10;main_~P5~0 := (if 0 == main_#t~nondet11 then 0 else 1);havoc main_#t~nondet11;main_~P6~0 := (if 0 == main_#t~nondet12 then 0 else 1);havoc main_#t~nondet12; 530#L46 assume 0 == main_~q~0; 671#L47 assume !(0 != main_#t~nondet13);havoc main_#t~nondet13; 529#L1248 [2020-10-19 19:08:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-10-19 19:08:07,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:07,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457649350] [2020-10-19 19:08:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,872 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:07,873 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-10-19 19:08:07,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:07,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374990332] [2020-10-19 19:08:07,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,884 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,892 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:08:07,893 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-10-19 19:08:07,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:08:07,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275963186] [2020-10-19 19:08:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:08:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:08:07,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:08:07,927 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:08:08,335 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-19 19:08:08,511 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-19 19:08:08,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:08:08 BoogieIcfgContainer [2020-10-19 19:08:08,562 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:08:08,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:08:08,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:08:08,563 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:08:08,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:06" (3/4) ... [2020-10-19 19:08:08,567 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-19 19:08:08,625 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 19:08:08,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:08:08,627 INFO L168 Benchmark]: Toolchain (without parser) took 5673.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.6 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 146.2 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:08,628 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:08:08,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.9 MB in the beginning and 1.0 GB in the end (delta: -99.6 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:08,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 221.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:08,630 INFO L168 Benchmark]: Boogie Preprocessor took 178.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:08,631 INFO L168 Benchmark]: RCFGBuilder took 1929.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 134.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -230.4 MB). Peak memory consumption was 223.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:08,631 INFO L168 Benchmark]: BuchiAutomizer took 1955.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 152.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:08,632 INFO L168 Benchmark]: Witness Printer took 62.95 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:08:08,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1311.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.9 MB in the beginning and 1.0 GB in the end (delta: -99.6 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 221.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 178.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1929.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 134.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -230.4 MB). Peak memory consumption was 223.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1955.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 152.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. * Witness Printer took 62.95 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 207 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 207 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 403 SDtfs, 4 SDslu, 325 SDs, 0 SdLazy, 75 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 34]: 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 {m_getValueY=4, NULL=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@561f5a70=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50503dd7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@403402f9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35dd1288=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ce0df6a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d410eed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30b40c9c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d7b1cf3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19b1ff6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50f43497=0, NULL=0, P4=0, this_m_sensitivity=100, this_m_samples=200, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@505f083d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@595a8998=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f61632f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2775cf29=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c275fb0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14e37995=0, m_update=6, this_m_accX=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d1db031=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5694cc60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28c2714e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23b98c2b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ddbe27e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e56c8d3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53552c55=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23521d93=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@182140b6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77165f4d=0, P5=0, P1=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d82f476=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2016e01c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a6760fb=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2decd5df=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62138763=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@327720f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fc4293c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@358f47f6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@228e575b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@531f8b49=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ced4a9b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34026548=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7875d877=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23caa74c=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b7ae82f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77058c31=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4515883c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@629a8df3=0, m_Accelerometer=5, this_m_conn=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@347a47b7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42fc66b3=0, NULL=0, P6=0, P2=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69c9d5b9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b5312ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334b4505=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fdd1ac0=0, NULL=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ce00b5f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e5ec137=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@381e709f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bf9c102=0, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7273cc15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50fc381=0, NULL=2, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49002180=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f6f34d0=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e7fcf7e=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2037bcad=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e8d7ded=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6549807=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67194efc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1342a4b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4df0020e=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a785328=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30ba32db=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7320f1f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46f5d123=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6443fd5a=0, NULL=0, NULL=4, m_disconnect=2, P3=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a4b24f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b3ef984=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@738d5ac2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10ab7d11=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b4142b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d82a736=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ba31cce=0, this_m_conn_data_listener=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13c48f6f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fbaa64a=0, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f8a435=0, m_dataReceived=7} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 34]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_init = 1; [L8] int m_disconnect = 2; [L9] int m_getValueX = 3; [L10] int m_getValueY = 4; [L11] int m_Accelerometer = 5; [L12] int m_update = 6; [L13] int m_dataReceived = 7; [L14] int m_connect_1 = 8; [L15] int m_connect_2 = 9; [L20] int q = 0; [L21] int method_id; [L24] int this_m_conn = 0; [L25] int this_m_sensitivity = 100; [L26] int this_m_samples = 200; [L27] int this_m_delta = 1; [L28] int this_m_accX = 0; [L29] int this_m_sensorInfo = 0; [L30] int this_m_conn_data_listener = 0; [L31] int this_m_accY = 0; Loop: [L34] COND TRUE 1 [L37] int P1=__VERIFIER_nondet_int(); [L38] int P2=__VERIFIER_nondet_int(); [L39] int P3=__VERIFIER_nondet_int(); [L40] _Bool P4=__VERIFIER_nondet_int(); [L41] _Bool P5=__VERIFIER_nondet_int(); [L42] _Bool P6=__VERIFIER_nondet_int(); [L46] COND TRUE q == 0 [L47] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...