./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 fa9e9016dfea9d3151a33276b3d3b18b426fc159 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:31:58,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:31:58,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:31:58,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:31:58,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:31:58,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:31:58,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:31:59,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:31:59,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:31:59,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:31:59,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:31:59,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:31:59,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:31:59,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:31:59,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:31:59,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:31:59,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:31:59,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:31:59,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:31:59,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:31:59,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:31:59,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:31:59,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:31:59,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:31:59,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:31:59,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:31:59,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:31:59,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:31:59,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:31:59,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:31:59,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:31:59,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:31:59,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:31:59,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:31:59,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:31:59,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:31:59,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:31:59,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:31:59,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:31:59,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:31:59,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:31:59,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 01:31:59,176 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:31:59,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:31:59,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:31:59,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:31:59,182 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:31:59,182 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:31:59,183 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:31:59,183 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:31:59,183 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:31:59,183 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:31:59,185 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:31:59,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:31:59,186 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:31:59,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:31:59,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:31:59,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:31:59,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:31:59,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:31:59,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:31:59,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:31:59,188 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:31:59,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:31:59,188 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:31:59,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:31:59,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:31:59,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:31:59,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:31:59,190 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:31:59,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:31:59,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:31:59,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:31:59,193 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:31:59,195 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:31:59,195 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_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9e9016dfea9d3151a33276b3d3b18b426fc159 [2020-11-30 01:31:59,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:31:59,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:31:59,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:31:59,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:31:59,618 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:31:59,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-11-30 01:31:59,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/data/cda667338/2ab751f9c56b4a95986e9cf02b4c8092/FLAG44ba02701 [2020-11-30 01:32:00,477 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:32:00,478 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-11-30 01:32:00,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/data/cda667338/2ab751f9c56b4a95986e9cf02b4c8092/FLAG44ba02701 [2020-11-30 01:32:00,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/bin/uautomizer/data/cda667338/2ab751f9c56b4a95986e9cf02b4c8092 [2020-11-30 01:32:00,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:32:00,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:32:00,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:00,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:32:00,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:32:00,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:00" (1/1) ... [2020-11-30 01:32:00,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fdf0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:00, skipping insertion in model container [2020-11-30 01:32:00,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:00" (1/1) ... [2020-11-30 01:32:00,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:32:00,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:32:01,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:01,247 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:32:01,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:01,380 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:32:01,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01 WrapperNode [2020-11-30 01:32:01,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:01,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:01,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:32:01,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:32:01,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:01,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:32:01,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:32:01,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:32:01,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... [2020-11-30 01:32:01,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:32:01,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:32:01,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:32:01,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:32:01,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:32:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:32:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:32:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:32:02,934 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:32:02,938 INFO L298 CfgBuilder]: Removed 29 assume(true) statements. [2020-11-30 01:32:02,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:02 BoogieIcfgContainer [2020-11-30 01:32:02,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:32:02,945 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:32:02,945 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:32:02,950 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:32:02,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:32:02,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:32:00" (1/3) ... [2020-11-30 01:32:02,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c0756e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:32:02, skipping insertion in model container [2020-11-30 01:32:02,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:32:02,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:01" (2/3) ... [2020-11-30 01:32:02,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c0756e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:32:02, skipping insertion in model container [2020-11-30 01:32:02,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:32:02,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:02" (3/3) ... [2020-11-30 01:32:02,960 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-11-30 01:32:03,028 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:32:03,028 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:32:03,028 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:32:03,028 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:32:03,029 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:32:03,029 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:32:03,029 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:32:03,029 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:32:03,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 128 states. [2020-11-30 01:32:03,097 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2020-11-30 01:32:03,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:32:03,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:32:03,112 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:03,112 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:03,113 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:32:03,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 128 states. [2020-11-30 01:32:03,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2020-11-30 01:32:03,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:32:03,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:32:03,130 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:03,130 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:03,142 INFO L794 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 51#L262true assume !(0 == ~r1~0);init_~tmp~0 := 0; 49#L262-1true init_#res := init_~tmp~0; 68#L463true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 99#L22true assume !(0 == assume_abort_if_not_~cond); 13#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 122#L547-2true [2020-11-30 01:32:03,143 INFO L796 eck$LassoCheckResult]: Loop: 122#L547-2true assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 111#L85true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 48#L89true assume !(node1_~m1~0 != ~nomsg~0); 47#L89-1true ~mode1~0 := 0; 91#L85-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 71#L113true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 59#L116true assume !(node2_~m2~0 != ~nomsg~0); 57#L116-1true ~mode2~0 := 0; 69#L113-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 76#L138true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 65#L141true assume !(node3_~m3~0 != ~nomsg~0); 64#L141-1true ~mode3~0 := 0; 55#L138-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 66#L163true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 35#L166true assume !(node4_~m4~0 != ~nomsg~0); 34#L166-1true ~mode4~0 := 0; 62#L163-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 36#L188true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 41#L191true assume !(node5_~m5~0 != ~nomsg~0); 26#L191-1true ~mode5~0 := 0; 33#L188-2true havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 42#L213true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 30#L216true assume !(node6_~m6~0 != ~nomsg~0); 29#L216-1true ~mode6~0 := 0; 25#L213-2true havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 32#L238true assume !(0 != ~mode7~0 % 256); 50#L251true assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite13 := ~send7~0; 67#L251-2true ~p7_new~0 := (if node7_#t~ite13 % 256 <= 127 then node7_#t~ite13 % 256 else node7_#t~ite13 % 256 - 256);havoc node7_#t~ite13;~mode7~0 := 1; 28#L238-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 72#L471true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1 := 0; 74#L471-1true check_#res := check_~tmp~1; 37#L491true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 113#L583true assume !(0 == assert_~arg % 256); 86#L578true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 122#L547-2true [2020-11-30 01:32:03,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:03,152 INFO L82 PathProgramCache]: Analyzing trace with hash 2087378158, now seen corresponding path program 1 times [2020-11-30 01:32:03,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:03,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782069368] [2020-11-30 01:32:03,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:03,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782069368] [2020-11-30 01:32:03,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:03,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:32:03,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320600405] [2020-11-30 01:32:03,493 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 01:32:03,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:03,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1770676346, now seen corresponding path program 1 times [2020-11-30 01:32:03,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:03,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184646242] [2020-11-30 01:32:03,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:03,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184646242] [2020-11-30 01:32:03,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:03,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:32:03,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149187553] [2020-11-30 01:32:03,776 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 01:32:03,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:32:03,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:32:03,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:32:03,811 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 5 states. [2020-11-30 01:32:04,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:04,069 INFO L93 Difference]: Finished difference Result 130 states and 219 transitions. [2020-11-30 01:32:04,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:32:04,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 219 transitions. [2020-11-30 01:32:04,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-30 01:32:04,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 122 states and 162 transitions. [2020-11-30 01:32:04,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2020-11-30 01:32:04,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2020-11-30 01:32:04,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 162 transitions. [2020-11-30 01:32:04,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:32:04,103 INFO L691 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2020-11-30 01:32:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 162 transitions. [2020-11-30 01:32:04,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-30 01:32:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-30 01:32:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 162 transitions. [2020-11-30 01:32:04,165 INFO L714 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2020-11-30 01:32:04,165 INFO L594 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2020-11-30 01:32:04,166 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:32:04,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 162 transitions. [2020-11-30 01:32:04,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-30 01:32:04,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:32:04,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:32:04,182 INFO L852 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, 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, 1, 1] [2020-11-30 01:32:04,182 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:04,206 INFO L794 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 290#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 291#L262 assume 0 == ~r1~0; 280#L263 assume ~id1~0 >= 0; 281#L264 assume 0 == ~st1~0; 342#L265 assume ~send1~0 == ~id1~0; 292#L266 assume 0 == ~mode1~0 % 256; 293#L267 assume ~id2~0 >= 0; 346#L268 assume 0 == ~st2~0; 347#L269 assume ~send2~0 == ~id2~0; 382#L270 assume 0 == ~mode2~0 % 256; 312#L271 assume ~id3~0 >= 0; 313#L272 assume 0 == ~st3~0; 361#L273 assume ~send3~0 == ~id3~0; 282#L274 assume 0 == ~mode3~0 % 256; 283#L275 assume ~id4~0 >= 0; 343#L276 assume 0 == ~st4~0; 294#L277 assume ~send4~0 == ~id4~0; 295#L278 assume 0 == ~mode4~0 % 256; 348#L279 assume ~id5~0 >= 0; 349#L280 assume 0 == ~st5~0; 383#L281 assume ~send5~0 == ~id5~0; 314#L282 assume 0 == ~mode5~0 % 256; 315#L283 assume ~id6~0 >= 0; 362#L284 assume 0 == ~st6~0; 284#L285 assume ~send6~0 == ~id6~0; 285#L286 assume 0 == ~mode6~0 % 256; 369#L287 assume ~id7~0 >= 0; 298#L288 assume 0 == ~st7~0; 299#L289 assume ~send7~0 == ~id7~0; 350#L290 assume 0 == ~mode7~0 % 256; 351#L291 assume ~id1~0 != ~id2~0; 384#L292 assume ~id1~0 != ~id3~0; 316#L293 assume ~id1~0 != ~id4~0; 317#L294 assume ~id1~0 != ~id5~0; 363#L295 assume ~id1~0 != ~id6~0; 288#L296 assume ~id1~0 != ~id7~0; 289#L297 assume ~id2~0 != ~id3~0; 370#L298 assume ~id2~0 != ~id4~0; 302#L299 assume ~id2~0 != ~id5~0; 303#L300 assume ~id2~0 != ~id6~0; 352#L301 assume ~id2~0 != ~id7~0; 353#L302 assume ~id3~0 != ~id4~0; 375#L303 assume ~id3~0 != ~id5~0; 328#L304 assume ~id3~0 != ~id6~0; 329#L305 assume ~id3~0 != ~id7~0; 371#L306 assume ~id4~0 != ~id5~0; 300#L307 assume ~id4~0 != ~id6~0; 301#L308 assume ~id4~0 != ~id7~0; 367#L309 assume ~id5~0 != ~id6~0; 286#L310 assume ~id5~0 != ~id7~0; 287#L311 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 358#L262-1 init_#res := init_~tmp~0; 359#L463 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 374#L22 assume !(0 == assume_abort_if_not_~cond); 296#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 297#L547-2 [2020-11-30 01:32:04,207 INFO L796 eck$LassoCheckResult]: Loop: 297#L547-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 392#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 356#L89 assume !(node1_~m1~0 != ~nomsg~0); 354#L89-1 ~mode1~0 := 0; 355#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 377#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 368#L116 assume !(node2_~m2~0 != ~nomsg~0); 308#L116-1 ~mode2~0 := 0; 366#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 376#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 372#L141 assume !(node3_~m3~0 != ~nomsg~0); 310#L141-1 ~mode3~0 := 0; 364#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 365#L163 assume !(0 != ~mode4~0 % 256); 373#L176 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite10 := ~p4_new~0; 385#L176-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 333#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 336#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 337#L191 assume !(node5_~m5~0 != ~nomsg~0); 321#L191-1 ~mode5~0 := 0; 322#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 331#L213 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 326#L216 assume !(node6_~m6~0 != ~nomsg~0); 325#L216-1 ~mode6~0 := 0; 319#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 320#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 278#L241 assume !(node7_~m7~0 != ~nomsg~0); 276#L241-1 ~mode7~0 := 0; 277#L238-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 324#L471 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1 := 0; 305#L471-1 check_#res := check_~tmp~1; 339#L491 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 340#L583 assume !(0 == assert_~arg % 256); 386#L578 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 297#L547-2 [2020-11-30 01:32:04,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:04,209 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 1 times [2020-11-30 01:32:04,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:04,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643413021] [2020-11-30 01:32:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:04,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:04,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:04,497 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:32:04,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:04,499 INFO L82 PathProgramCache]: Analyzing trace with hash 2089978936, now seen corresponding path program 1 times [2020-11-30 01:32:04,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:04,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573958318] [2020-11-30 01:32:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:04,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573958318] [2020-11-30 01:32:04,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:04,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:32:04,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25360166] [2020-11-30 01:32:04,737 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 01:32:04,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:32:04,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:32:04,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:32:04,745 INFO L87 Difference]: Start difference. First operand 122 states and 162 transitions. cyclomatic complexity: 41 Second operand 5 states. [2020-11-30 01:32:04,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:04,854 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2020-11-30 01:32:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:32:04,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 164 transitions. [2020-11-30 01:32:04,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-30 01:32:04,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 122 states and 159 transitions. [2020-11-30 01:32:04,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2020-11-30 01:32:04,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2020-11-30 01:32:04,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 159 transitions. [2020-11-30 01:32:04,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:32:04,866 INFO L691 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2020-11-30 01:32:04,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 159 transitions. [2020-11-30 01:32:04,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-30 01:32:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-30 01:32:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 159 transitions. [2020-11-30 01:32:04,889 INFO L714 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2020-11-30 01:32:04,889 INFO L594 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2020-11-30 01:32:04,889 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 01:32:04,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 159 transitions. [2020-11-30 01:32:04,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-30 01:32:04,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:32:04,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:32:04,908 INFO L852 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, 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, 1, 1] [2020-11-30 01:32:04,908 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:04,908 INFO L794 eck$LassoCheckResult]: Stem: 648#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 549#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 550#L262 assume 0 == ~r1~0; 539#L263 assume ~id1~0 >= 0; 540#L264 assume 0 == ~st1~0; 601#L265 assume ~send1~0 == ~id1~0; 551#L266 assume 0 == ~mode1~0 % 256; 552#L267 assume ~id2~0 >= 0; 605#L268 assume 0 == ~st2~0; 606#L269 assume ~send2~0 == ~id2~0; 641#L270 assume 0 == ~mode2~0 % 256; 570#L271 assume ~id3~0 >= 0; 571#L272 assume 0 == ~st3~0; 620#L273 assume ~send3~0 == ~id3~0; 541#L274 assume 0 == ~mode3~0 % 256; 542#L275 assume ~id4~0 >= 0; 602#L276 assume 0 == ~st4~0; 553#L277 assume ~send4~0 == ~id4~0; 554#L278 assume 0 == ~mode4~0 % 256; 607#L279 assume ~id5~0 >= 0; 608#L280 assume 0 == ~st5~0; 642#L281 assume ~send5~0 == ~id5~0; 572#L282 assume 0 == ~mode5~0 % 256; 573#L283 assume ~id6~0 >= 0; 621#L284 assume 0 == ~st6~0; 543#L285 assume ~send6~0 == ~id6~0; 544#L286 assume 0 == ~mode6~0 % 256; 628#L287 assume ~id7~0 >= 0; 557#L288 assume 0 == ~st7~0; 558#L289 assume ~send7~0 == ~id7~0; 609#L290 assume 0 == ~mode7~0 % 256; 610#L291 assume ~id1~0 != ~id2~0; 643#L292 assume ~id1~0 != ~id3~0; 574#L293 assume ~id1~0 != ~id4~0; 575#L294 assume ~id1~0 != ~id5~0; 622#L295 assume ~id1~0 != ~id6~0; 547#L296 assume ~id1~0 != ~id7~0; 548#L297 assume ~id2~0 != ~id3~0; 629#L298 assume ~id2~0 != ~id4~0; 561#L299 assume ~id2~0 != ~id5~0; 562#L300 assume ~id2~0 != ~id6~0; 611#L301 assume ~id2~0 != ~id7~0; 612#L302 assume ~id3~0 != ~id4~0; 634#L303 assume ~id3~0 != ~id5~0; 586#L304 assume ~id3~0 != ~id6~0; 587#L305 assume ~id3~0 != ~id7~0; 630#L306 assume ~id4~0 != ~id5~0; 559#L307 assume ~id4~0 != ~id6~0; 560#L308 assume ~id4~0 != ~id7~0; 626#L309 assume ~id5~0 != ~id6~0; 545#L310 assume ~id5~0 != ~id7~0; 546#L311 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 617#L262-1 init_#res := init_~tmp~0; 618#L463 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 633#L22 assume !(0 == assume_abort_if_not_~cond); 555#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 556#L547-2 [2020-11-30 01:32:04,909 INFO L796 eck$LassoCheckResult]: Loop: 556#L547-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 651#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 615#L89 assume !(node1_~m1~0 != ~nomsg~0); 613#L89-1 ~mode1~0 := 0; 614#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 636#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 627#L116 assume !(node2_~m2~0 != ~nomsg~0); 566#L116-1 ~mode2~0 := 0; 625#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 635#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 631#L141 assume !(node3_~m3~0 != ~nomsg~0); 568#L141-1 ~mode3~0 := 0; 623#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 624#L163 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 592#L166 assume !(node4_~m4~0 != ~nomsg~0); 590#L166-1 ~mode4~0 := 0; 591#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 594#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 595#L191 assume !(node5_~m5~0 != ~nomsg~0); 579#L191-1 ~mode5~0 := 0; 580#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 589#L213 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 584#L216 assume !(node6_~m6~0 != ~nomsg~0); 583#L216-1 ~mode6~0 := 0; 577#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 578#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 537#L241 assume !(node7_~m7~0 != ~nomsg~0); 535#L241-1 ~mode7~0 := 0; 536#L238-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 582#L471 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 576#L472 assume ~r1~0 >= 7; 564#L476 assume ~r1~0 < 7;check_~tmp~1 := 1; 600#L471-1 check_#res := check_~tmp~1; 597#L491 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 598#L583 assume !(0 == assert_~arg % 256); 645#L578 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 556#L547-2 [2020-11-30 01:32:04,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:04,911 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 2 times [2020-11-30 01:32:04,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:04,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089618648] [2020-11-30 01:32:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:04,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:05,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:05,121 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:32:05,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:05,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1439149300, now seen corresponding path program 1 times [2020-11-30 01:32:05,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:05,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920872982] [2020-11-30 01:32:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:05,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920872982] [2020-11-30 01:32:05,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:05,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:32:05,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021619517] [2020-11-30 01:32:05,193 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 01:32:05,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:32:05,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:32:05,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:32:05,195 INFO L87 Difference]: Start difference. First operand 122 states and 159 transitions. cyclomatic complexity: 38 Second operand 3 states. [2020-11-30 01:32:05,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:05,251 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2020-11-30 01:32:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:32:05,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 251 transitions. [2020-11-30 01:32:05,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2020-11-30 01:32:05,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 182 states and 251 transitions. [2020-11-30 01:32:05,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 182 [2020-11-30 01:32:05,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 182 [2020-11-30 01:32:05,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 251 transitions. [2020-11-30 01:32:05,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:32:05,272 INFO L691 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2020-11-30 01:32:05,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 251 transitions. [2020-11-30 01:32:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-11-30 01:32:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-30 01:32:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2020-11-30 01:32:05,326 INFO L714 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2020-11-30 01:32:05,328 INFO L594 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2020-11-30 01:32:05,328 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 01:32:05,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 251 transitions. [2020-11-30 01:32:05,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2020-11-30 01:32:05,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:32:05,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:32:05,336 INFO L852 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, 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, 1, 1] [2020-11-30 01:32:05,336 INFO L853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:05,337 INFO L794 eck$LassoCheckResult]: Stem: 966#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 859#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 860#L262 assume 0 == ~r1~0; 849#L263 assume ~id1~0 >= 0; 850#L264 assume 0 == ~st1~0; 913#L265 assume ~send1~0 == ~id1~0; 861#L266 assume 0 == ~mode1~0 % 256; 862#L267 assume ~id2~0 >= 0; 919#L268 assume 0 == ~st2~0; 920#L269 assume ~send2~0 == ~id2~0; 957#L270 assume 0 == ~mode2~0 % 256; 880#L271 assume ~id3~0 >= 0; 881#L272 assume 0 == ~st3~0; 934#L273 assume ~send3~0 == ~id3~0; 851#L274 assume 0 == ~mode3~0 % 256; 852#L275 assume ~id4~0 >= 0; 914#L276 assume 0 == ~st4~0; 863#L277 assume ~send4~0 == ~id4~0; 864#L278 assume 0 == ~mode4~0 % 256; 921#L279 assume ~id5~0 >= 0; 922#L280 assume 0 == ~st5~0; 958#L281 assume ~send5~0 == ~id5~0; 882#L282 assume 0 == ~mode5~0 % 256; 883#L283 assume ~id6~0 >= 0; 935#L284 assume 0 == ~st6~0; 853#L285 assume ~send6~0 == ~id6~0; 854#L286 assume 0 == ~mode6~0 % 256; 942#L287 assume ~id7~0 >= 0; 867#L288 assume 0 == ~st7~0; 868#L289 assume ~send7~0 == ~id7~0; 923#L290 assume 0 == ~mode7~0 % 256; 924#L291 assume ~id1~0 != ~id2~0; 959#L292 assume ~id1~0 != ~id3~0; 884#L293 assume ~id1~0 != ~id4~0; 885#L294 assume ~id1~0 != ~id5~0; 936#L295 assume ~id1~0 != ~id6~0; 857#L296 assume ~id1~0 != ~id7~0; 858#L297 assume ~id2~0 != ~id3~0; 943#L298 assume ~id2~0 != ~id4~0; 871#L299 assume ~id2~0 != ~id5~0; 872#L300 assume ~id2~0 != ~id6~0; 925#L301 assume ~id2~0 != ~id7~0; 926#L302 assume ~id3~0 != ~id4~0; 951#L303 assume ~id3~0 != ~id5~0; 897#L304 assume ~id3~0 != ~id6~0; 898#L305 assume ~id3~0 != ~id7~0; 945#L306 assume ~id4~0 != ~id5~0; 869#L307 assume ~id4~0 != ~id6~0; 870#L308 assume ~id4~0 != ~id7~0; 940#L309 assume ~id5~0 != ~id6~0; 855#L310 assume ~id5~0 != ~id7~0; 856#L311 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 931#L262-1 init_#res := init_~tmp~0; 932#L463 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 949#L22 assume !(0 == assume_abort_if_not_~cond); 865#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 866#L547-2 [2020-11-30 01:32:05,340 INFO L796 eck$LassoCheckResult]: Loop: 866#L547-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1023#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 929#L89 assume !(node1_~m1~0 != ~nomsg~0); 927#L89-1 ~mode1~0 := 0; 928#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1019#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1017#L116 assume !(node2_~m2~0 != ~nomsg~0); 1015#L116-1 ~mode2~0 := 0; 1013#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1012#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1009#L141 assume !(node3_~m3~0 != ~nomsg~0); 1007#L141-1 ~mode3~0 := 0; 1005#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1004#L163 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1001#L166 assume !(node4_~m4~0 != ~nomsg~0); 999#L166-1 ~mode4~0 := 0; 997#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 906#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 907#L191 assume !(node5_~m5~0 != ~nomsg~0); 890#L191-1 ~mode5~0 := 0; 891#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 901#L213 assume !(0 != ~mode6~0 % 256); 918#L226 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 956#L226-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 888#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 889#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 899#L241 assume !(node7_~m7~0 != ~nomsg~0); 978#L241-1 ~mode7~0 := 0; 977#L238-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 976#L471 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 975#L472 assume !(~r1~0 >= 7); 873#L475 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0; 874#L476 assume ~r1~0 < 7;check_~tmp~1 := 1; 994#L471-1 check_#res := check_~tmp~1; 1026#L491 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1025#L583 assume !(0 == assert_~arg % 256); 1024#L578 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 866#L547-2 [2020-11-30 01:32:05,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:05,343 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 3 times [2020-11-30 01:32:05,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:05,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513018635] [2020-11-30 01:32:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:05,384 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:05,414 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:05,435 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:32:05,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:05,437 INFO L82 PathProgramCache]: Analyzing trace with hash -897322917, now seen corresponding path program 1 times [2020-11-30 01:32:05,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:05,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332909162] [2020-11-30 01:32:05,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:05,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:05,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:05,527 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:32:05,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1744909546, now seen corresponding path program 1 times [2020-11-30 01:32:05,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:05,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320704590] [2020-11-30 01:32:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:05,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320704590] [2020-11-30 01:32:05,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:05,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:32:05,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112406788] [2020-11-30 01:32:07,032 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 188 DAG size of output: 183 [2020-11-30 01:32:07,988 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2020-11-30 01:32:08,011 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:32:08,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:32:08,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:32:08,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:32:08,013 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 01:32:08,014 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:32:08,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:32:08,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:32:08,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.1.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2020-11-30 01:32:08,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:32:08,015 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:32:08,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,337 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-30 01:32:08,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:08,966 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-30 01:32:12,375 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2020-11-30 01:32:12,495 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2020-11-30 01:32:12,649 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:32:12,650 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:12,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:32:12,685 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:12,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 01:32:12,731 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:32:12,899 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 01:32:12,901 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:32:12,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:32:12,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:32:12,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:32:12,902 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:32:12,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:32:12,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:32:12,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:32:12,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.1.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2020-11-30 01:32:12,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:32:12,902 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:32:12,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:12,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:12,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:12,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,370 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-30 01:32:13,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:13,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:32:14,017 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-30 01:32:17,488 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2020-11-30 01:32:17,652 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:32:17,659 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:17,669 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 [2020-11-30 01:32:17,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:17,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:17,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:17,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:17,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:17,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:17,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:17,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:17,738 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 [2020-11-30 01:32:17,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:17,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:17,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:17,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:17,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:17,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:17,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:17,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:17,780 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 [2020-11-30 01:32:17,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:17,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:17,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:17,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:17,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:17,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:17,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:17,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:17,828 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 [2020-11-30 01:32:17,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:17,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:17,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:17,830 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:32:17,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:17,835 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:32:17,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:17,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:17,877 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 [2020-11-30 01:32:17,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:17,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:17,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:17,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:17,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:17,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:17,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:17,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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) [2020-11-30 01:32:17,948 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 [2020-11-30 01:32:17,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:17,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:17,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:17,955 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2020-11-30 01:32:17,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:32:18,058 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:32:18,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:18,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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) [2020-11-30 01:32:18,168 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 [2020-11-30 01:32:18,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:32:18,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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) [2020-11-30 01:32:18,235 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 [2020-11-30 01:32:18,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:32:18,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:18,291 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 [2020-11-30 01:32:18,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:18,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:18,329 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 [2020-11-30 01:32:18,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:18,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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) [2020-11-30 01:32:18,408 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 [2020-11-30 01:32:18,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:32:18,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:18,461 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 [2020-11-30 01:32:18,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:18,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:18,502 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 [2020-11-30 01:32:18,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:18,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:18,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:32:18,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:18,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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) [2020-11-30 01:32:18,616 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:32:18,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:32:18,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:32:18,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:32:18,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:32:18,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:32:18,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:32:18,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:32:18,626 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 01:32:18,719 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-30 01:32:18,719 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67cb296e-9626-45d1-ba0c-2f0a2dc1dacb/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 [2020-11-30 01:32:18,811 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 01:32:18,811 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-30 01:32:18,812 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 01:32:18,812 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 27 Supporting invariants [] [2020-11-30 01:32:18,859 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-30 01:32:18,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:19,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:32:19,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:32:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:19,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:32:19,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:32:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:19,214 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-30 01:32:19,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70 Second operand 3 states. [2020-11-30 01:32:19,305 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70. Second operand 3 states. Result 307 states and 446 transitions. Complement of second has 4 states. [2020-11-30 01:32:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 01:32:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 01:32:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-11-30 01:32:19,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 37 letters. [2020-11-30 01:32:19,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:32:19,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 93 letters. Loop has 37 letters. [2020-11-30 01:32:19,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:32:19,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 74 letters. [2020-11-30 01:32:19,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 01:32:19,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 446 transitions. [2020-11-30 01:32:19,327 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:32:19,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 0 states and 0 transitions. [2020-11-30 01:32:19,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:32:19,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:32:19,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:32:19,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:32:19,328 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:32:19,328 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:32:19,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:32:19,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:32:19,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:32:19,330 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-30 01:32:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:19,330 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-30 01:32:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:32:19,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-30 01:32:19,331 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:32:19,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:32:19,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 01:32:19,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 01:32:19,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 01:32:19,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:32:19,332 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:32:19,332 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:32:19,332 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:32:19,332 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-30 01:32:19,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:32:19,333 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 01:32:19,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 01:32:19,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:32:19 BoogieIcfgContainer [2020-11-30 01:32:19,343 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:32:19,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:32:19,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:32:19,344 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:32:19,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:02" (3/4) ... [2020-11-30 01:32:19,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:32:19,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:32:19,361 INFO L168 Benchmark]: Toolchain (without parser) took 18624.82 ms. Allocated memory was 113.2 MB in the beginning and 297.8 MB in the end (delta: 184.5 MB). Free memory was 79.9 MB in the beginning and 215.8 MB in the end (delta: -135.9 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:19,362 INFO L168 Benchmark]: CDTParser took 10.88 ms. Allocated memory is still 88.1 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:19,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.62 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 84.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:19,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.54 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 81.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:19,364 INFO L168 Benchmark]: Boogie Preprocessor took 76.41 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:19,365 INFO L168 Benchmark]: RCFGBuilder took 1370.13 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 60.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:19,366 INFO L168 Benchmark]: BuchiAutomizer took 16398.44 ms. Allocated memory was 113.2 MB in the beginning and 297.8 MB in the end (delta: 184.5 MB). Free memory was 60.8 MB in the beginning and 215.8 MB in the end (delta: -155.0 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:19,366 INFO L168 Benchmark]: Witness Printer took 15.61 ms. Allocated memory is still 297.8 MB. Free memory is still 215.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:19,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 10.88 ms. Allocated memory is still 88.1 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.62 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 84.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.54 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 81.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.41 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1370.13 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 60.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16398.44 ms. Allocated memory was 113.2 MB in the beginning and 297.8 MB in the end (delta: 184.5 MB). Free memory was 60.8 MB in the beginning and 215.8 MB in the end (delta: -155.0 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * Witness Printer took 15.61 ms. Allocated memory is still 297.8 MB. Free memory is still 215.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 27 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 15.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 182 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 779 SDtfs, 253 SDslu, 1316 SDs, 0 SdLazy, 36 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital238 mio100 ax100 hnf98 lsp57 ukn82 mio100 lsp100 div127 bol100 ite100 ukn100 eq197 hnf77 smp100 dnf727 smp49 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 174ms VariablesStem: 0 VariablesLoop: 38 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 0 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...