./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer --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 669200e45e1afee8a0f15d0fcb8e259472bfb6db ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:19:39,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:19:39,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:19:39,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:19:39,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:19:39,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:19:39,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:19:39,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:19:39,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:19:39,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:19:39,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:19:39,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:19:39,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:19:39,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:19:39,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:19:39,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:19:39,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:19:39,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:19:39,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:19:39,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:19:39,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:19:39,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:19:39,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:19:39,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:19:39,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:19:39,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:19:39,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:19:39,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:19:39,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:19:39,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:19:39,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:19:39,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:19:39,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:19:39,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:19:39,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:19:39,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:19:39,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:19:39,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:19:39,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:19:39,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:19:39,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:19:39,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 10:19:39,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:19:39,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:19:39,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:19:39,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:19:39,616 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:19:39,616 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:19:39,616 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:19:39,616 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:19:39,616 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:19:39,616 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:19:39,616 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:19:39,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:19:39,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:19:39,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:19:39,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:19:39,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:19:39,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:19:39,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:19:39,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:19:39,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:19:39,618 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:19:39,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:19:39,618 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:19:39,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:19:39,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:19:39,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:19:39,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:19:39,619 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:19:39,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:19:39,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:19:39,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:19:39,619 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:19:39,620 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:19:39,620 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer 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 -> 669200e45e1afee8a0f15d0fcb8e259472bfb6db [2019-12-07 10:19:39,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:19:39,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:19:39,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:19:39,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:19:39,728 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:19:39,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2019-12-07 10:19:39,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/data/04c07f31c/16bd6e3ac31349b5b7823a2a239301c5/FLAGdfb62ac7e [2019-12-07 10:19:40,269 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:19:40,270 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2019-12-07 10:19:40,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/data/04c07f31c/16bd6e3ac31349b5b7823a2a239301c5/FLAGdfb62ac7e [2019-12-07 10:19:40,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/data/04c07f31c/16bd6e3ac31349b5b7823a2a239301c5 [2019-12-07 10:19:40,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:19:40,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:19:40,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:19:40,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:19:40,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:19:40,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:19:40" (1/1) ... [2019-12-07 10:19:40,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352f3a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:40, skipping insertion in model container [2019-12-07 10:19:40,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:19:40" (1/1) ... [2019-12-07 10:19:40,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:19:40,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:19:41,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:19:41,177 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:19:41,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:19:41,292 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:19:41,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41 WrapperNode [2019-12-07 10:19:41,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:19:41,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:19:41,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:19:41,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:19:41,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:19:41,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:19:41,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:19:41,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:19:41,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... [2019-12-07 10:19:41,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:19:41,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:19:41,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:19:41,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:19:41,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:19:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:19:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:19:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:19:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:19:46,575 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:19:46,575 INFO L287 CfgBuilder]: Removed 1233 assume(true) statements. [2019-12-07 10:19:46,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:19:46 BoogieIcfgContainer [2019-12-07 10:19:46,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:19:46,578 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:19:46,578 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:19:46,581 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:19:46,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:19:46,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:19:40" (1/3) ... [2019-12-07 10:19:46,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9baf75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:19:46, skipping insertion in model container [2019-12-07 10:19:46,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:19:46,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:41" (2/3) ... [2019-12-07 10:19:46,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9baf75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:19:46, skipping insertion in model container [2019-12-07 10:19:46,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:19:46,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:19:46" (3/3) ... [2019-12-07 10:19:46,584 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product28.cil.c [2019-12-07 10:19:46,612 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:19:46,612 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:19:46,613 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:19:46,613 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:19:46,613 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:19:46,613 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:19:46,613 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:19:46,613 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:19:46,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5039 states. [2019-12-07 10:19:46,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2509 [2019-12-07 10:19:46,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:19:46,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:19:46,772 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:46,772 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:46,772 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:19:46,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5039 states. [2019-12-07 10:19:46,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2509 [2019-12-07 10:19:46,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:19:46,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:19:46,807 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:46,807 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:46,812 INFO L794 eck$LassoCheckResult]: Stem: 3172#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string57.base, #t~string57.offset, 1);call write~init~int(95, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(93, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string59.base, #t~string59.offset, 1);call write~init~int(93, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string61.base, #t~string61.offset, 1);call write~init~int(97, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(105, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(10);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string67.base, #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string69.base, #t~string69.offset, 1);call write~init~int(111, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(119, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string71.base, #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(76, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(95, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string73.base, #t~string73.offset, 1);call write~init~int(37, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(105, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string75.base, #t~string75.offset, 1);call write~init~int(37, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(105, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(37, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(105, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(70, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(95, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(112, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(58, #t~string83.base, 4 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 5 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string100.base, #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 1 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(30);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(21);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(30);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(25);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12; 4153#L-1true havoc main_#res;havoc main_#t~ret157, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 1895#L853true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 249#L861true main_#t~ret157 := valid_product_#res;main_~tmp~27 := main_#t~ret157;havoc main_#t~ret157; 597#L3338true assume 0 != main_~tmp~27; 2247#L3312true ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3413#L2855true havoc bigMacCall_#t~ret150, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 938#L753true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 869#L778true bigMacCall_#t~ret150 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret150;havoc bigMacCall_#t~ret150;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 1292#L399true assume 0 == initPersonOnFloor_~floor; 986#L400true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 193#L507-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 4535#L191true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 2801#L203-2true havoc cleanup_#t~ret151, cleanup_#t~ret152, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 664#L1137true timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 2146#L2080true assume 0 != timeShift_~tmp~12; 2314#L2081true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 668#L1753-11true havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 72#L1128-6true __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 1597#L1188-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 749#L1220-12true __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 688#L2898true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4052#L2908-1true cleanup_~i~1 := 0; 379#L3144-2true [2019-12-07 10:19:46,813 INFO L796 eck$LassoCheckResult]: Loop: 379#L3144-2true assume !false; 360#L3145true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 277#L3148true assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 201#L950true cleanup_#t~ret151 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret151;havoc cleanup_#t~ret151; 207#L3152true assume 1 != cleanup_~tmp___0~9; 209#L3152-1true havoc isIdle_#res;havoc isIdle_#t~ret9, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_#t~ret7, anyStopRequested_#t~ret8, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1718#L128-50true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 219#L155-50true anyStopRequested_#t~ret4 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret4;havoc anyStopRequested_#t~ret4; 4127#L1236true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 153#L1300true isIdle_#t~ret9 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret9;havoc isIdle_#t~ret9;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 674#L1313true cleanup_#t~ret152 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret152;havoc cleanup_#t~ret152; 505#L3164true assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 667#L1137-2true timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 2145#L2080-1true assume 0 != timeShift_~tmp~12; 2317#L2081-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 654#L1753-23true havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 64#L1128-13true __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 1566#L1188-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 728#L1220-25true __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 691#L2898-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4029#L2908-3true cleanup_~i~1 := 1 + cleanup_~i~1; 379#L3144-2true [2019-12-07 10:19:46,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:46,820 INFO L82 PathProgramCache]: Analyzing trace with hash 235059287, now seen corresponding path program 1 times [2019-12-07 10:19:46,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:19:46,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891661428] [2019-12-07 10:19:46,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:19:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:47,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891661428] [2019-12-07 10:19:47,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:47,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:19:47,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062135957] [2019-12-07 10:19:47,044 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:19:47,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:47,044 INFO L82 PathProgramCache]: Analyzing trace with hash 2025712606, now seen corresponding path program 1 times [2019-12-07 10:19:47,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:19:47,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920665752] [2019-12-07 10:19:47,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:19:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:47,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920665752] [2019-12-07 10:19:47,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:47,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:19:47,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345587219] [2019-12-07 10:19:47,072 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:19:47,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:19:47,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:19:47,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:19:47,088 INFO L87 Difference]: Start difference. First operand 5039 states. Second operand 4 states. [2019-12-07 10:19:47,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:19:47,618 INFO L93 Difference]: Finished difference Result 13293 states and 25069 transitions. [2019-12-07 10:19:47,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:19:47,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13293 states and 25069 transitions. [2019-12-07 10:19:47,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9073 [2019-12-07 10:19:47,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13293 states to 13251 states and 25020 transitions. [2019-12-07 10:19:47,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13251 [2019-12-07 10:19:47,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13251 [2019-12-07 10:19:47,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13251 states and 25020 transitions. [2019-12-07 10:19:47,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:19:47,855 INFO L688 BuchiCegarLoop]: Abstraction has 13251 states and 25020 transitions. [2019-12-07 10:19:47,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13251 states and 25020 transitions. [2019-12-07 10:19:48,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13251 to 5029. [2019-12-07 10:19:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5029 states. [2019-12-07 10:19:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 5029 states and 9482 transitions. [2019-12-07 10:19:48,016 INFO L711 BuchiCegarLoop]: Abstraction has 5029 states and 9482 transitions. [2019-12-07 10:19:48,017 INFO L591 BuchiCegarLoop]: Abstraction has 5029 states and 9482 transitions. [2019-12-07 10:19:48,017 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:19:48,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5029 states and 9482 transitions. [2019-12-07 10:19:48,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2511 [2019-12-07 10:19:48,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:19:48,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:19:48,033 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:48,033 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:48,033 INFO L794 eck$LassoCheckResult]: Stem: 22189#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string57.base, #t~string57.offset, 1);call write~init~int(95, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(93, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string59.base, #t~string59.offset, 1);call write~init~int(93, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string61.base, #t~string61.offset, 1);call write~init~int(97, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(105, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(10);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string67.base, #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string69.base, #t~string69.offset, 1);call write~init~int(111, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(119, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string71.base, #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(76, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(95, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string73.base, #t~string73.offset, 1);call write~init~int(37, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(105, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string75.base, #t~string75.offset, 1);call write~init~int(37, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(105, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(37, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(105, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(70, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(95, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(112, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(58, #t~string83.base, 4 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 5 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string100.base, #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 1 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(30);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(21);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(30);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(25);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12; 22190#L-1 havoc main_#res;havoc main_#t~ret157, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 20972#L853 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 18822#L861 main_#t~ret157 := valid_product_#res;main_~tmp~27 := main_#t~ret157;havoc main_#t~ret157; 18823#L3338 assume 0 != main_~tmp~27; 19458#L3312 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 21296#L2855 havoc bigMacCall_#t~ret150, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 19813#L753 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 18829#L778 bigMacCall_#t~ret150 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret150;havoc bigMacCall_#t~ret150;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 19747#L399 assume 0 == initPersonOnFloor_~floor; 19909#L400 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 18361#L507-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 18733#L191 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 21799#L203-2 havoc cleanup_#t~ret151, cleanup_#t~ret152, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19540#L1137 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 19541#L2080 assume 0 != timeShift_~tmp~12; 21244#L2081 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19547#L1753-11 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 18496#L1128-6 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 18497#L1188-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 19097#L1220-12 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 19566#L2898 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19544#L1137-1 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 19545#L2908 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8); 21795#L2908-1 cleanup_~i~1 := 0; 19028#L3144-2 [2019-12-07 10:19:48,034 INFO L796 eck$LassoCheckResult]: Loop: 19028#L3144-2 assume !false; 19009#L3145 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 18866#L3148 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 18751#L950 cleanup_#t~ret151 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret151;havoc cleanup_#t~ret151; 18752#L3152 assume 1 != cleanup_~tmp___0~9; 18764#L3152-1 havoc isIdle_#res;havoc isIdle_#t~ret9, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_#t~ret7, anyStopRequested_#t~ret8, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 18767#L128-50 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 18783#L155-50 anyStopRequested_#t~ret4 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret4;havoc anyStopRequested_#t~ret4; 18784#L1236 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 18657#L1300 isIdle_#t~ret9 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret9;havoc isIdle_#t~ret9;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 18658#L1313 cleanup_#t~ret152 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret152;havoc cleanup_#t~ret152; 19263#L3164 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19264#L1137-2 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 19546#L2080-1 assume 0 != timeShift_~tmp~12; 21243#L2081-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19524#L1753-23 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 18475#L1128-13 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 18476#L1188-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 19056#L1220-25 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 19569#L2898-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 19522#L1137-3 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 19523#L2908-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8); 21788#L2908-3 cleanup_~i~1 := 1 + cleanup_~i~1; 19028#L3144-2 [2019-12-07 10:19:48,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:48,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1740912844, now seen corresponding path program 1 times [2019-12-07 10:19:48,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:19:48,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716150092] [2019-12-07 10:19:48,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:19:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:48,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716150092] [2019-12-07 10:19:48,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:48,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:19:48,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119046926] [2019-12-07 10:19:48,087 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:19:48,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:48,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1090392987, now seen corresponding path program 1 times [2019-12-07 10:19:48,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:19:48,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125653449] [2019-12-07 10:19:48,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:19:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:48,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125653449] [2019-12-07 10:19:48,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:48,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 10:19:48,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725986935] [2019-12-07 10:19:48,164 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:19:48,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:19:48,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 10:19:48,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:19:48,165 INFO L87 Difference]: Start difference. First operand 5029 states and 9482 transitions. cyclomatic complexity: 4454 Second operand 7 states. [2019-12-07 10:19:48,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:19:48,750 INFO L93 Difference]: Finished difference Result 8306 states and 15521 transitions. [2019-12-07 10:19:48,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 10:19:48,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8306 states and 15521 transitions. [2019-12-07 10:19:48,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6659 [2019-12-07 10:19:48,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8306 states to 8306 states and 15521 transitions. [2019-12-07 10:19:48,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8306 [2019-12-07 10:19:48,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8306 [2019-12-07 10:19:48,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8306 states and 15521 transitions. [2019-12-07 10:19:48,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:19:48,830 INFO L688 BuchiCegarLoop]: Abstraction has 8306 states and 15521 transitions. [2019-12-07 10:19:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8306 states and 15521 transitions. [2019-12-07 10:19:48,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8306 to 4497. [2019-12-07 10:19:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4497 states. [2019-12-07 10:19:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 8443 transitions. [2019-12-07 10:19:48,902 INFO L711 BuchiCegarLoop]: Abstraction has 4497 states and 8443 transitions. [2019-12-07 10:19:48,902 INFO L591 BuchiCegarLoop]: Abstraction has 4497 states and 8443 transitions. [2019-12-07 10:19:48,902 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:19:48,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4497 states and 8443 transitions. [2019-12-07 10:19:48,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2879 [2019-12-07 10:19:48,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:19:48,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:19:48,913 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:48,913 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:48,913 INFO L794 eck$LassoCheckResult]: Stem: 34745#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string57.base, #t~string57.offset, 1);call write~init~int(95, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(93, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string59.base, #t~string59.offset, 1);call write~init~int(93, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string61.base, #t~string61.offset, 1);call write~init~int(97, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(105, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(10);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string67.base, #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string69.base, #t~string69.offset, 1);call write~init~int(111, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(119, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string71.base, #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(76, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(95, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string73.base, #t~string73.offset, 1);call write~init~int(37, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(105, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string75.base, #t~string75.offset, 1);call write~init~int(37, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(105, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(37, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(105, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(70, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(95, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(112, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(58, #t~string83.base, 4 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 5 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string100.base, #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 1 + #t~string100.offset, 1);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(30);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(21);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(30);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(25);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12; 34746#L-1 havoc main_#res;havoc main_#t~ret157, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 33772#L853 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 32110#L861 main_#t~ret157 := valid_product_#res;main_~tmp~27 := main_#t~ret157;havoc main_#t~ret157; 32111#L3338 assume 0 != main_~tmp~27; 32577#L3312 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 34031#L2855 havoc bigMacCall_#t~ret150, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 32878#L753 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 32113#L778 bigMacCall_#t~ret150 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret150;havoc bigMacCall_#t~ret150;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 32794#L399 assume 0 == initPersonOnFloor_~floor; 32965#L400 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 31734#L507-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 32043#L191 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 34435#L203-2 havoc cleanup_#t~ret151, cleanup_#t~ret152, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 32636#L1137 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 32637#L2080 assume 0 != timeShift_~tmp~12; 33984#L2081 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32641#L1753-11 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 31852#L1128-6 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 31853#L1188-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 32302#L1220-12 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 32658#L2898 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 32638#L1137-1 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 32639#L2908 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8; 35300#L2909 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 35170#L2910 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 34432#L2908-1 cleanup_~i~1 := 0; 35280#L3144-2 [2019-12-07 10:19:48,914 INFO L796 eck$LassoCheckResult]: Loop: 35280#L3144-2 assume !false; 35757#L3145 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 35756#L3148 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 35755#L950 cleanup_#t~ret151 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret151;havoc cleanup_#t~ret151; 35754#L3152 assume 1 != cleanup_~tmp___0~9; 35753#L3152-1 havoc isIdle_#res;havoc isIdle_#t~ret9, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_#t~ret7, anyStopRequested_#t~ret8, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 35747#L128-50 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 35742#L155-50 anyStopRequested_#t~ret4 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret4;havoc anyStopRequested_#t~ret4; 35732#L1236 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 35727#L1300 isIdle_#t~ret9 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret9;havoc isIdle_#t~ret9;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 35726#L1313 cleanup_#t~ret152 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret152;havoc cleanup_#t~ret152; 35725#L3164 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret54, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 35724#L1137-2 timeShift_#t~ret54 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret54;havoc timeShift_#t~ret54; 33982#L2080-1 assume 0 != timeShift_~tmp~12; 33983#L2081-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32626#L1753-23 havoc __utac_acc__Specification9_spec__3_#t~ret141, __utac_acc__Specification9_spec__3_#t~ret142, __utac_acc__Specification9_spec__3_#t~ret143, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 31838#L1128-13 __utac_acc__Specification9_spec__3_#t~ret141 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret141;havoc __utac_acc__Specification9_spec__3_#t~ret141;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 31839#L1188-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 32973#L1220-25 __utac_acc__Specification9_spec__3_#t~ret142 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret142;havoc __utac_acc__Specification9_spec__3_#t~ret142; 32661#L2898-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 32624#L1137-3 __utac_acc__Specification9_spec__3_#t~ret143 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret143;havoc __utac_acc__Specification9_spec__3_#t~ret143; 32625#L2908-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8; 35302#L2909-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 35353#L2910-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 35279#L2908-3 cleanup_~i~1 := 1 + cleanup_~i~1; 35280#L3144-2 [2019-12-07 10:19:48,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:48,914 INFO L82 PathProgramCache]: Analyzing trace with hash 2018478799, now seen corresponding path program 1 times [2019-12-07 10:19:48,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:19:48,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005511324] [2019-12-07 10:19:48,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:19:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:48,950 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005511324] [2019-12-07 10:19:48,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:48,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:19:48,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316415749] [2019-12-07 10:19:48,951 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:19:48,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:48,951 INFO L82 PathProgramCache]: Analyzing trace with hash -105498602, now seen corresponding path program 1 times [2019-12-07 10:19:48,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:19:48,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733178717] [2019-12-07 10:19:48,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:19:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:19:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:19:48,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:19:49,149 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-12-07 10:19:49,415 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-12-07 10:19:49,423 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:19:49,423 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:19:49,423 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:19:49,423 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:19:49,423 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:19:49,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:19:49,423 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:19:49,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:19:49,424 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28.cil.c_Iteration3_Loop [2019-12-07 10:19:49,424 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:19:49,424 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:19:49,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:19:49,774 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:19:49,775 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:19:49,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:19:49,780 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:19:49,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:19:49,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:20:01,804 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-12-07 10:20:01,807 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:20:01,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:20:01,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:20:01,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:20:01,807 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:20:01,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:01,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:20:01,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:20:01,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28.cil.c_Iteration3_Loop [2019-12-07 10:20:01,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:20:01,808 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:20:01,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:01,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:20:02,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:20:02,120 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,127 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 10:20:02,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,131 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:20:02,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,223 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 10:20:02,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,224 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:20:02,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/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 [2019-12-07 10:20:02,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,303 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 10:20:02,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:20:02,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,345 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 [2019-12-07 10:20:02,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:20:02,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:20:02,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:20:02,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:20:02,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:20:02,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:20:02,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:20:02,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:20:02,377 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:20:02,382 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 10:20:02,382 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92e13d88-0e47-4701-9de3-5a6489ccea84/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:20:02,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:20:02,390 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:20:02,390 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:20:02,390 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~1) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~1 Supporting invariants [] [2019-12-07 10:20:02,393 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 10:20:02,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:02,498 INFO L264 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:20:02,500 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:02,524 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:20:02,525 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:02,554 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:20:02,555 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4497 states and 8443 transitions. cyclomatic complexity: 3947 Second operand 5 states. [2019-12-07 10:20:02,826 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4497 states and 8443 transitions. cyclomatic complexity: 3947. Second operand 5 states. Result 7376 states and 13851 transitions. Complement of second has 8 states. [2019-12-07 10:20:02,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:20:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:20:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7177 transitions. [2019-12-07 10:20:02,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 27 letters. Loop has 25 letters. [2019-12-07 10:20:02,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:20:02,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 52 letters. Loop has 25 letters. [2019-12-07 10:20:02,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:20:02,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 27 letters. Loop has 50 letters. [2019-12-07 10:20:02,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:20:02,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7376 states and 13851 transitions. [2019-12-07 10:20:02,872 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:20:02,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7376 states to 0 states and 0 transitions. [2019-12-07 10:20:02,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:20:02,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:20:02,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:20:02,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:20:02,873 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:20:02,873 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:20:02,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:02,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:02,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:02,873 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 10:20:02,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:02,873 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 10:20:02,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:20:02,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 10:20:02,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:20:02,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:20:02,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:20:02,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:20:02,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:20:02,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:20:02,874 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:20:02,874 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:20:02,874 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:20:02,874 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 10:20:02,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:20:02,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:20:02,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:20:02,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:20:02 BoogieIcfgContainer [2019-12-07 10:20:02,878 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:20:02,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:20:02,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:20:02,879 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:20:02,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:19:46" (3/4) ... [2019-12-07 10:20:02,881 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:20:02,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:20:02,883 INFO L168 Benchmark]: Toolchain (without parser) took 22083.71 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 685.8 MB). Free memory was 941.4 MB in the beginning and 994.7 MB in the end (delta: -53.3 MB). Peak memory consumption was 632.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:02,883 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:02,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 941.4 MB in the beginning and 1.0 GB in the end (delta: -105.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:02,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.0 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:02,884 INFO L168 Benchmark]: Boogie Preprocessor took 171.75 ms. Allocated memory is still 1.1 GB. Free memory was 998.0 MB in the beginning and 949.6 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:02,884 INFO L168 Benchmark]: RCFGBuilder took 4955.57 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 343.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 306.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:02,885 INFO L168 Benchmark]: BuchiAutomizer took 16300.14 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 994.7 MB in the end (delta: 135.8 MB). Peak memory consumption was 376.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:02,885 INFO L168 Benchmark]: Witness Printer took 2.70 ms. Allocated memory is still 1.7 GB. Free memory is still 994.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:02,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 493.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 941.4 MB in the beginning and 1.0 GB in the end (delta: -105.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 157.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.0 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 171.75 ms. Allocated memory is still 1.1 GB. Free memory was 998.0 MB in the beginning and 949.6 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4955.57 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 343.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 306.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16300.14 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 994.7 MB in the end (delta: 135.8 MB). Peak memory consumption was 376.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 ms. Allocated memory is still 1.7 GB. Free memory is still 994.7 MB. 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 13.8s. Construction of modules took 0.4s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 12031 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 5029 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31375 SDtfs, 60377 SDslu, 70745 SDs, 0 SdLazy, 267 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...