./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 64bit --witnessprinter.graph.data.programhash b64613d278f1b2a5aec6d84cb3470147257700f5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:06:26,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:26,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:26,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:26,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:26,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:26,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:26,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:26,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:26,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:26,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:26,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:26,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:26,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:26,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:26,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:26,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:26,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:26,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:26,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:26,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:26,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:26,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:26,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:26,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:26,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:26,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:26,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:26,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:26,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:26,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:26,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:26,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:26,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:26,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:26,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:26,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:26,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:26,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:26,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:26,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:26,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:06:26,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:26,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:26,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:26,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:26,808 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:26,809 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:06:26,809 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:06:26,809 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:06:26,809 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:06:26,810 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:06:26,811 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:06:26,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:26,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:06:26,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:26,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:26,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:06:26,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:06:26,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:06:26,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:26,813 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:06:26,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:26,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:06:26,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:26,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:26,814 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:06:26,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:26,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:26,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:26,816 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:06:26,819 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:06:26,819 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64613d278f1b2a5aec6d84cb3470147257700f5 [2020-11-28 03:06:27,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:27,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:27,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:27,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:27,133 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:27,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2020-11-28 03:06:27,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/data/41418c547/38aac58605a94148bd5fa2abdac7c22f/FLAGb2643feda [2020-11-28 03:06:27,765 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:27,766 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2020-11-28 03:06:27,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/data/41418c547/38aac58605a94148bd5fa2abdac7c22f/FLAGb2643feda [2020-11-28 03:06:28,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/bin/uautomizer/data/41418c547/38aac58605a94148bd5fa2abdac7c22f [2020-11-28 03:06:28,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:28,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:28,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:28,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:28,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:28,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df61a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28, skipping insertion in model container [2020-11-28 03:06:28,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:28,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:28,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:28,442 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:06:28,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:28,527 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:06:28,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28 WrapperNode [2020-11-28 03:06:28,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:28,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:28,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:06:28,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:06:28,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:28,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:06:28,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:06:28,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:06:28,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... [2020-11-28 03:06:28,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:06:28,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:06:28,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:06:28,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:06:28,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:06:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:06:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:06:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:06:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:06:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:06:29,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:06:29,114 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:06:29,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:29 BoogieIcfgContainer [2020-11-28 03:06:29,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:06:29,118 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:06:29,119 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:06:29,123 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:06:29,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:06:29,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:06:28" (1/3) ... [2020-11-28 03:06:29,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5268665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:06:29, skipping insertion in model container [2020-11-28 03:06:29,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:06:29,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:28" (2/3) ... [2020-11-28 03:06:29,126 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5268665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:06:29, skipping insertion in model container [2020-11-28 03:06:29,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:06:29,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:29" (3/3) ... [2020-11-28 03:06:29,128 INFO L373 chiAutomizerObserver]: Analyzing ICFG java_AG313-alloca.i [2020-11-28 03:06:29,190 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:06:29,191 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:06:29,191 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:06:29,191 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:06:29,191 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:06:29,191 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:06:29,191 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:06:29,192 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:06:29,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-28 03:06:29,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:06:29,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:29,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:29,228 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:06:29,228 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:06:29,228 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:06:29,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-28 03:06:29,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:06:29,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:29,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:29,230 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:06:29,230 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:06:29,237 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;quot_#in~x, quot_#in~y := main_#t~nondet13, main_#t~nondet14;havoc quot_#res;havoc quot_#t~malloc2.base, quot_#t~malloc2.offset, quot_#t~malloc3.base, quot_#t~malloc3.offset, quot_#t~malloc4.base, quot_#t~malloc4.offset, quot_#t~mem5, quot_#t~mem9, quot_#t~mem10, quot_#t~mem11, quot_#t~mem6, quot_#t~mem7, quot_#t~short8, quot_#t~mem12, quot_~x, quot_~y, quot_~x_ref~0.base, quot_~x_ref~0.offset, quot_~y_ref~0.base, quot_~y_ref~0.offset, quot_~i~0.base, quot_~i~0.offset;quot_~x := quot_#in~x;quot_~y := quot_#in~y;call quot_#t~malloc2.base, quot_#t~malloc2.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0.base, quot_~x_ref~0.offset := quot_#t~malloc2.base, quot_#t~malloc2.offset;call quot_#t~malloc3.base, quot_#t~malloc3.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0.base, quot_~y_ref~0.offset := quot_#t~malloc3.base, quot_#t~malloc3.offset;call quot_#t~malloc4.base, quot_#t~malloc4.offset := #Ultimate.allocOnStack(4);quot_~i~0.base, quot_~i~0.offset := quot_#t~malloc4.base, quot_#t~malloc4.offset;call write~int(quot_~x, quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call write~int(quot_~y, quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(0, quot_~i~0.base, quot_~i~0.offset, 4);call quot_#t~mem5 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4); 10#L555true assume !(0 == quot_#t~mem5);havoc quot_#t~mem5; 7#L556-5true [2020-11-28 03:06:29,237 INFO L796 eck$LassoCheckResult]: Loop: 7#L556-5true call quot_#t~mem6 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem6 > 0; 11#L556-1true assume !quot_#t~short8; 4#L556-3true assume !!quot_#t~short8;havoc quot_#t~mem7;havoc quot_#t~mem6;havoc quot_#t~short8;call quot_#t~mem9 := read~int(quot_~i~0.base, quot_~i~0.offset, 4);call write~int(1 + quot_#t~mem9, quot_~i~0.base, quot_~i~0.offset, 4);havoc quot_#t~mem9;call quot_#t~mem10 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call quot_#t~mem11 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(quot_#t~mem10 - 1 - (quot_#t~mem11 - 1), quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);havoc quot_#t~mem10;havoc quot_#t~mem11; 7#L556-5true [2020-11-28 03:06:29,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:29,244 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-28 03:06:29,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:29,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037728347] [2020-11-28 03:06:29,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,392 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,459 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:29,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:29,461 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2020-11-28 03:06:29,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:29,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748723260] [2020-11-28 03:06:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:29,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748723260] [2020-11-28 03:06:29,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:29,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:06:29,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175855361] [2020-11-28 03:06:29,537 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:06:29,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:29,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:06:29,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:06:29,555 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-11-28 03:06:29,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:29,588 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2020-11-28 03:06:29,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:06:29,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-11-28 03:06:29,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:06:29,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2020-11-28 03:06:29,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-28 03:06:29,595 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-11-28 03:06:29,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2020-11-28 03:06:29,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:06:29,596 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-28 03:06:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2020-11-28 03:06:29,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-11-28 03:06:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:06:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-11-28 03:06:29,621 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-28 03:06:29,621 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-28 03:06:29,621 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:06:29,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-11-28 03:06:29,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:06:29,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:06:29,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:06:29,627 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:06:29,627 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:06:29,627 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;quot_#in~x, quot_#in~y := main_#t~nondet13, main_#t~nondet14;havoc quot_#res;havoc quot_#t~malloc2.base, quot_#t~malloc2.offset, quot_#t~malloc3.base, quot_#t~malloc3.offset, quot_#t~malloc4.base, quot_#t~malloc4.offset, quot_#t~mem5, quot_#t~mem9, quot_#t~mem10, quot_#t~mem11, quot_#t~mem6, quot_#t~mem7, quot_#t~short8, quot_#t~mem12, quot_~x, quot_~y, quot_~x_ref~0.base, quot_~x_ref~0.offset, quot_~y_ref~0.base, quot_~y_ref~0.offset, quot_~i~0.base, quot_~i~0.offset;quot_~x := quot_#in~x;quot_~y := quot_#in~y;call quot_#t~malloc2.base, quot_#t~malloc2.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0.base, quot_~x_ref~0.offset := quot_#t~malloc2.base, quot_#t~malloc2.offset;call quot_#t~malloc3.base, quot_#t~malloc3.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0.base, quot_~y_ref~0.offset := quot_#t~malloc3.base, quot_#t~malloc3.offset;call quot_#t~malloc4.base, quot_#t~malloc4.offset := #Ultimate.allocOnStack(4);quot_~i~0.base, quot_~i~0.offset := quot_#t~malloc4.base, quot_#t~malloc4.offset;call write~int(quot_~x, quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call write~int(quot_~y, quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(0, quot_~i~0.base, quot_~i~0.offset, 4);call quot_#t~mem5 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4); 33#L555 assume !(0 == quot_#t~mem5);havoc quot_#t~mem5; 35#L556-5 [2020-11-28 03:06:29,628 INFO L796 eck$LassoCheckResult]: Loop: 35#L556-5 call quot_#t~mem6 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem6 > 0; 37#L556-1 assume quot_#t~short8;call quot_#t~mem7 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);quot_#t~short8 := quot_#t~mem7 > 0; 34#L556-3 assume !!quot_#t~short8;havoc quot_#t~mem7;havoc quot_#t~mem6;havoc quot_#t~short8;call quot_#t~mem9 := read~int(quot_~i~0.base, quot_~i~0.offset, 4);call write~int(1 + quot_#t~mem9, quot_~i~0.base, quot_~i~0.offset, 4);havoc quot_#t~mem9;call quot_#t~mem10 := read~int(quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);call quot_#t~mem11 := read~int(quot_~y_ref~0.base, quot_~y_ref~0.offset, 4);call write~int(quot_#t~mem10 - 1 - (quot_#t~mem11 - 1), quot_~x_ref~0.base, quot_~x_ref~0.offset, 4);havoc quot_#t~mem10;havoc quot_#t~mem11; 35#L556-5 [2020-11-28 03:06:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:29,629 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-11-28 03:06:29,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:29,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026949465] [2020-11-28 03:06:29,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,694 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,699 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:29,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:29,700 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2020-11-28 03:06:29,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:29,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049967492] [2020-11-28 03:06:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,759 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:29,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:29,760 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2020-11-28 03:06:29,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:29,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627857155] [2020-11-28 03:06:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,806 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:29,829 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:06:29,835 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:06:30,132 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-11-28 03:06:30,689 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2020-11-28 03:06:30,898 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-28 03:06:30,912 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:06:30,913 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:06:30,913 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:06:30,913 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:06:30,914 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:06:30,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:30,918 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:06:30,918 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:06:30,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313-alloca.i_Iteration2_Lasso [2020-11-28 03:06:30,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:06:30,918 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:06:30,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,564 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-11-28 03:06:31,752 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-11-28 03:06:31,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:06:31,951 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-11-28 03:06:32,531 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:06:32,535 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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 [2020-11-28 03:06:32,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:06:32,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:06:32,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:06:32,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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) [2020-11-28 03:06:32,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:32,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:06:32,957 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:06:32,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:06:32,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:06:32,976 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:06:32,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:06:32,993 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:06:33,194 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:06:33,194 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc1c97a4-190d-467a-958d-85060cecb326/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) [2020-11-28 03:06:33,238 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:06:33,243 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:06:33,243 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:06:33,244 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0.base) ULTIMATE.start_quot_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0.base) ULTIMATE.start_quot_~x_ref~0.offset)_1 Supporting invariants [] [2020-11-28 03:06:33,394 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2020-11-28 03:06:33,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:06:33,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:33,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 03:06:33,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:33,543 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:33,543 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-28 03:06:33,550 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:06:33,563 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:06:33,578 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:06:33,578 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:6 [2020-11-28 03:06:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:33,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:06:33,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:33,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:33,674 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:33,740 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 03:06:33,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2020-11-28 03:06:33,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2020-11-28 03:06:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:06:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:06:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2020-11-28 03:06:33,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2020-11-28 03:06:33,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:33,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-28 03:06:33,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:33,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2020-11-28 03:06:33,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:06:33,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2020-11-28 03:06:33,877 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:06:33,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-11-28 03:06:33,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:06:33,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:06:33,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:06:33,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:06:33,877 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:33,877 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:33,877 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:33,877 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:06:33,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:06:33,878 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:06:33,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:06:33,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:06:33 BoogieIcfgContainer [2020-11-28 03:06:33,886 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:06:33,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:06:33,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:06:33,887 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:06:33,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:29" (3/4) ... [2020-11-28 03:06:33,890 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:06:33,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:06:33,892 INFO L168 Benchmark]: Toolchain (without parser) took 5804.49 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 60.5 MB in the beginning and 99.9 MB in the end (delta: -39.4 MB). Peak memory consumption was 756.4 kB. Max. memory is 16.1 GB. [2020-11-28 03:06:33,893 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:33,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.03 ms. Allocated memory is still 92.3 MB. Free memory was 60.3 MB in the beginning and 58.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:33,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 57.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:33,901 INFO L168 Benchmark]: Boogie Preprocessor took 35.82 ms. Allocated memory is still 92.3 MB. Free memory was 57.1 MB in the beginning and 55.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:33,902 INFO L168 Benchmark]: RCFGBuilder took 483.38 ms. Allocated memory is still 92.3 MB. Free memory was 55.8 MB in the beginning and 41.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:33,902 INFO L168 Benchmark]: BuchiAutomizer took 4767.69 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 40.6 MB in the beginning and 99.9 MB in the end (delta: -59.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:33,903 INFO L168 Benchmark]: Witness Printer took 3.72 ms. Allocated memory is still 134.2 MB. Free memory is still 99.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:33,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 437.03 ms. Allocated memory is still 92.3 MB. Free memory was 60.3 MB in the beginning and 58.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 92.3 MB. Free memory was 58.7 MB in the beginning and 57.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.82 ms. Allocated memory is still 92.3 MB. Free memory was 57.1 MB in the beginning and 55.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 483.38 ms. Allocated memory is still 92.3 MB. Free memory was 55.8 MB in the beginning and 41.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4767.69 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 40.6 MB in the beginning and 99.9 MB in the end (delta: -59.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.72 ms. Allocated memory is still 134.2 MB. Free memory is still 99.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 2 SDslu, 8 SDs, 0 SdLazy, 12 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital338 mio100 ax105 hnf100 lsp92 ukn56 mio100 lsp37 div100 bol100 ite100 ukn100 eq179 hnf88 smp94 dnf100 smp100 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 291ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...