./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC --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 e633eb2225f7f9133cc8a4c722559a8f4d897cd7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:21:30,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:30,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:30,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:30,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:30,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:30,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:30,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:30,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:30,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:30,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:30,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:30,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:30,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:30,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:30,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:30,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:30,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:30,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:30,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:30,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:30,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:30,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:30,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:30,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:30,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:30,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:30,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:30,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:30,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:30,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:30,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:30,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:30,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:30,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:30,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:30,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:30,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:30,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:30,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:31,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:31,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:21:31,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:31,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:31,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:31,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:31,072 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:31,073 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:21:31,073 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:21:31,073 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:21:31,074 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:21:31,074 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:21:31,075 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:21:31,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:31,076 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:31,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:21:31,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:31,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:31,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:31,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:21:31,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:21:31,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:21:31,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:31,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:31,079 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:21:31,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:31,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:21:31,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:31,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:31,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:31,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:31,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:31,083 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:21:31,083 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_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e633eb2225f7f9133cc8a4c722559a8f4d897cd7 [2021-10-11 00:21:31,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:31,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:31,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:31,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:31,496 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:31,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-10-11 00:21:31,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/data/f9c345f1c/0faa314271f5476abe6bb25d2540f70f/FLAG19ddbf096 [2021-10-11 00:21:32,256 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:32,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-10-11 00:21:32,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/data/f9c345f1c/0faa314271f5476abe6bb25d2540f70f/FLAG19ddbf096 [2021-10-11 00:21:32,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/data/f9c345f1c/0faa314271f5476abe6bb25d2540f70f [2021-10-11 00:21:32,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:32,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:32,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:32,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:32,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:32,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:32" (1/1) ... [2021-10-11 00:21:32,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53314b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:32, skipping insertion in model container [2021-10-11 00:21:32,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:32" (1/1) ... [2021-10-11 00:21:32,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:32,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:32,988 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2021-10-11 00:21:32,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:33,012 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:33,102 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2021-10-11 00:21:33,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:33,126 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:33,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33 WrapperNode [2021-10-11 00:21:33,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:33,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:33,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:33,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:33,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:33,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:33,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:33,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:33,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... [2021-10-11 00:21:33,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:33,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:33,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:33,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:33,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:34,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:34,462 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-11 00:21:34,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:34 BoogieIcfgContainer [2021-10-11 00:21:34,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:34,466 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:21:34,466 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:21:34,474 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:21:34,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:34,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:21:32" (1/3) ... [2021-10-11 00:21:34,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4edba629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:21:34, skipping insertion in model container [2021-10-11 00:21:34,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:34,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:33" (2/3) ... [2021-10-11 00:21:34,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4edba629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:21:34, skipping insertion in model container [2021-10-11 00:21:34,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:21:34,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:34" (3/3) ... [2021-10-11 00:21:34,482 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-10-11 00:21:34,549 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:21:34,550 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:21:34,550 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:21:34,550 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:34,550 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:34,550 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:21:34,550 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:34,550 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:21:34,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states. [2021-10-11 00:21:34,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-11 00:21:34,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:34,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:34,620 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:34,621 INFO L854 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] [2021-10-11 00:21:34,621 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:21:34,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states. [2021-10-11 00:21:34,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-11 00:21:34,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:34,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:34,635 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:34,635 INFO L854 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] [2021-10-11 00:21:34,645 INFO L794 eck$LassoCheckResult]: Stem: 102#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(50);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 13#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 8#L285true assume !(0 == ~r1~0);init_~tmp~0 := 0; 4#L285-1true init_#res := init_~tmp~0; 27#L450true main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 104#L22true assume 0 == assume_abort_if_not_~cond;assume false; 15#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;main_~i2~0 := 0; 76#L526-2true [2021-10-11 00:21:34,646 INFO L796 eck$LassoCheckResult]: Loop: 76#L526-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 11#L84true assume !(0 != ~mode1~0 % 256); 73#L102true assume !(0 != ~alive1~0 % 256); 91#L102-2true ~mode1~0 := 1; 6#L84-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 64#L116true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 70#L119true assume !(node2_~m2~0 != ~nomsg~0); 67#L119-1true ~mode2~0 := 0; 59#L116-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 34#L150true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 23#L153true assume !(node3_~m3~0 != ~nomsg~0); 22#L153-1true ~mode3~0 := 0; 12#L150-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 124#L184true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 95#L187true assume !(node4_~m4~0 != ~nomsg~0); 94#L187-1true ~mode4~0 := 0; 119#L184-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 56#L218true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 47#L221true assume !(node5_~m5~0 != ~nomsg~0); 46#L221-1true ~mode5~0 := 0; 71#L218-2true havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 5#L252true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 14#L255true assume !(node6_~m6~0 != ~nomsg~0); 135#L255-1true ~mode6~0 := 0; 3#L252-2true ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 48#L458true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 32#L458-1true check_#res := check_~tmp~1; 132#L470true main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 92#L559true assume !(0 == assert_~arg % 256); 63#L554true main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 76#L526-2true [2021-10-11 00:21:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:34,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2021-10-11 00:21:34,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:34,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664870189] [2021-10-11 00:21:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:34,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664870189] [2021-10-11 00:21:34,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:34,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:34,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045050428] [2021-10-11 00:21:34,900 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:21:34,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:34,902 INFO L82 PathProgramCache]: Analyzing trace with hash 225391629, now seen corresponding path program 1 times [2021-10-11 00:21:34,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:34,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807376525] [2021-10-11 00:21:34,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:35,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807376525] [2021-10-11 00:21:35,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:35,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:35,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299447772] [2021-10-11 00:21:35,205 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:21:35,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:35,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:21:35,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:35,231 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2021-10-11 00:21:35,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:35,272 INFO L93 Difference]: Finished difference Result 141 states and 237 transitions. [2021-10-11 00:21:35,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:35,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 237 transitions. [2021-10-11 00:21:35,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-11 00:21:35,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 136 states and 232 transitions. [2021-10-11 00:21:35,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-10-11 00:21:35,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-10-11 00:21:35,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 232 transitions. [2021-10-11 00:21:35,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:35,306 INFO L692 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-10-11 00:21:35,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 232 transitions. [2021-10-11 00:21:35,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-11 00:21:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-10-11 00:21:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 232 transitions. [2021-10-11 00:21:35,368 INFO L715 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-10-11 00:21:35,369 INFO L595 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-10-11 00:21:35,369 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:21:35,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 232 transitions. [2021-10-11 00:21:35,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-11 00:21:35,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:35,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:35,384 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:35,384 INFO L854 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] [2021-10-11 00:21:35,385 INFO L794 eck$LassoCheckResult]: Stem: 419#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(50);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 317#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 304#L285 assume !(0 == ~r1~0);init_~tmp~0 := 0; 298#L285-1 init_#res := init_~tmp~0; 299#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 340#L22 assume !(0 == assume_abort_if_not_~cond); 320#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;main_~i2~0 := 0; 321#L526-2 [2021-10-11 00:21:35,385 INFO L796 eck$LassoCheckResult]: Loop: 321#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 310#L84 assume !(0 != ~mode1~0 % 256); 311#L102 assume !(0 != ~alive1~0 % 256); 337#L102-2 ~mode1~0 := 1; 302#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 303#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 397#L119 assume !(node2_~m2~0 != ~nomsg~0); 330#L119-1 ~mode2~0 := 0; 339#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 350#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 332#L153 assume !(node3_~m3~0 != ~nomsg~0); 331#L153-1 ~mode3~0 := 0; 313#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 314#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 417#L187 assume !(node4_~m4~0 != ~nomsg~0); 370#L187-1 ~mode4~0 := 0; 408#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 389#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 373#L221 assume !(node5_~m5~0 != ~nomsg~0); 372#L221-1 ~mode5~0 := 0; 353#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 295#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 296#L255 assume !(node6_~m6~0 != ~nomsg~0); 316#L255-1 ~mode6~0 := 0; 293#L252-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 294#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 347#L458-1 check_#res := check_~tmp~1; 348#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 415#L559 assume !(0 == assert_~arg % 256); 394#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 321#L526-2 [2021-10-11 00:21:35,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:35,386 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2021-10-11 00:21:35,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:35,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157064303] [2021-10-11 00:21:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:35,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157064303] [2021-10-11 00:21:35,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:35,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:35,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750729079] [2021-10-11 00:21:35,508 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:21:35,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:35,509 INFO L82 PathProgramCache]: Analyzing trace with hash 225391629, now seen corresponding path program 2 times [2021-10-11 00:21:35,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:35,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433299729] [2021-10-11 00:21:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:35,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433299729] [2021-10-11 00:21:35,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:35,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:35,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408803490] [2021-10-11 00:21:35,679 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:21:35,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:35,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:35,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:35,688 INFO L87 Difference]: Start difference. First operand 136 states and 232 transitions. cyclomatic complexity: 97 Second operand 5 states. [2021-10-11 00:21:35,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:35,886 INFO L93 Difference]: Finished difference Result 139 states and 234 transitions. [2021-10-11 00:21:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:35,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 234 transitions. [2021-10-11 00:21:35,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-11 00:21:35,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 191 transitions. [2021-10-11 00:21:35,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-10-11 00:21:35,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-10-11 00:21:35,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 191 transitions. [2021-10-11 00:21:35,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:35,898 INFO L692 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-10-11 00:21:35,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 191 transitions. [2021-10-11 00:21:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-11 00:21:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-10-11 00:21:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 191 transitions. [2021-10-11 00:21:35,920 INFO L715 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-10-11 00:21:35,920 INFO L595 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-10-11 00:21:35,920 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:21:35,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 191 transitions. [2021-10-11 00:21:35,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-11 00:21:35,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:35,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:35,925 INFO L853 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] [2021-10-11 00:21:35,925 INFO L854 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] [2021-10-11 00:21:35,926 INFO L794 eck$LassoCheckResult]: Stem: 709#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(50);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 607#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 594#L285 assume 0 == ~r1~0; 595#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 688#L287 assume ~id1~0 >= 0; 612#L288 assume 0 == ~st1~0; 613#L289 assume ~send1~0 == ~id1~0; 670#L290 assume 0 == ~mode1~0 % 256; 671#L291 assume ~id2~0 >= 0; 706#L292 assume 0 == ~st2~0; 624#L293 assume ~send2~0 == ~id2~0; 625#L294 assume 0 == ~mode2~0 % 256; 681#L295 assume ~id3~0 >= 0; 598#L296 assume 0 == ~st3~0; 599#L297 assume ~send3~0 == ~id3~0; 689#L298 assume 0 == ~mode3~0 % 256; 616#L299 assume ~id4~0 >= 0; 617#L300 assume 0 == ~st4~0; 672#L301 assume ~send4~0 == ~id4~0; 673#L302 assume 0 == ~mode4~0 % 256; 692#L303 assume ~id5~0 >= 0; 647#L304 assume 0 == ~st5~0; 648#L305 assume ~send5~0 == ~id5~0; 691#L306 assume 0 == ~mode5~0 % 256; 614#L307 assume ~id6~0 >= 0; 615#L308 assume 0 == ~st6~0; 683#L309 assume ~send6~0 == ~id6~0; 596#L310 assume 0 == ~mode6~0 % 256; 597#L311 assume ~id1~0 != ~id2~0; 657#L312 assume ~id1~0 != ~id3~0; 658#L313 assume ~id1~0 != ~id4~0; 704#L314 assume ~id1~0 != ~id5~0; 645#L315 assume ~id1~0 != ~id6~0; 646#L316 assume ~id2~0 != ~id3~0; 690#L317 assume ~id2~0 != ~id4~0; 608#L318 assume ~id2~0 != ~id5~0; 609#L319 assume ~id2~0 != ~id6~0; 682#L320 assume ~id3~0 != ~id4~0; 590#L321 assume ~id3~0 != ~id5~0; 591#L322 assume ~id3~0 != ~id6~0; 654#L323 assume ~id4~0 != ~id5~0; 655#L324 assume ~id4~0 != ~id6~0; 703#L325 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 588#L285-1 init_#res := init_~tmp~0; 589#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 630#L22 assume !(0 == assume_abort_if_not_~cond); 610#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;main_~i2~0 := 0; 611#L526-2 [2021-10-11 00:21:35,927 INFO L796 eck$LassoCheckResult]: Loop: 611#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 602#L84 assume !(0 != ~mode1~0 % 256); 603#L102 assume !(0 != ~alive1~0 % 256); 627#L102-2 ~mode1~0 := 1; 592#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 593#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 687#L119 assume !(node2_~m2~0 != ~nomsg~0); 620#L119-1 ~mode2~0 := 0; 629#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 640#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 622#L153 assume !(node3_~m3~0 != ~nomsg~0); 621#L153-1 ~mode3~0 := 0; 600#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 601#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 707#L187 assume !(node4_~m4~0 != ~nomsg~0); 660#L187-1 ~mode4~0 := 0; 698#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 679#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 663#L221 assume !(node5_~m5~0 != ~nomsg~0); 662#L221-1 ~mode5~0 := 0; 643#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 585#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 586#L255 assume !(node6_~m6~0 != ~nomsg~0); 606#L255-1 ~mode6~0 := 0; 583#L252-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 584#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 637#L458-1 check_#res := check_~tmp~1; 638#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 705#L559 assume !(0 == assert_~arg % 256); 686#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 611#L526-2 [2021-10-11 00:21:35,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:35,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2021-10-11 00:21:35,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:35,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729302753] [2021-10-11 00:21:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:35,971 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:36,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:36,085 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:36,086 INFO L82 PathProgramCache]: Analyzing trace with hash 225391629, now seen corresponding path program 3 times [2021-10-11 00:21:36,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:36,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146012732] [2021-10-11 00:21:36,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:36,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146012732] [2021-10-11 00:21:36,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:36,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:36,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642295916] [2021-10-11 00:21:36,196 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:21:36,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:36,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:36,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:36,198 INFO L87 Difference]: Start difference. First operand 136 states and 191 transitions. cyclomatic complexity: 56 Second operand 5 states. [2021-10-11 00:21:36,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:36,264 INFO L93 Difference]: Finished difference Result 139 states and 193 transitions. [2021-10-11 00:21:36,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:36,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 193 transitions. [2021-10-11 00:21:36,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-11 00:21:36,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 189 transitions. [2021-10-11 00:21:36,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-10-11 00:21:36,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-10-11 00:21:36,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 189 transitions. [2021-10-11 00:21:36,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:36,271 INFO L692 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-10-11 00:21:36,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 189 transitions. [2021-10-11 00:21:36,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-11 00:21:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-10-11 00:21:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2021-10-11 00:21:36,280 INFO L715 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-10-11 00:21:36,280 INFO L595 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-10-11 00:21:36,281 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:21:36,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 189 transitions. [2021-10-11 00:21:36,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-11 00:21:36,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:21:36,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:21:36,285 INFO L853 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] [2021-10-11 00:21:36,285 INFO L854 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] [2021-10-11 00:21:36,286 INFO L794 eck$LassoCheckResult]: Stem: 996#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(50);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;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 894#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 881#L285 assume 0 == ~r1~0; 882#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 975#L287 assume ~id1~0 >= 0; 899#L288 assume 0 == ~st1~0; 900#L289 assume ~send1~0 == ~id1~0; 957#L290 assume 0 == ~mode1~0 % 256; 958#L291 assume ~id2~0 >= 0; 993#L292 assume 0 == ~st2~0; 913#L293 assume ~send2~0 == ~id2~0; 914#L294 assume 0 == ~mode2~0 % 256; 968#L295 assume ~id3~0 >= 0; 885#L296 assume 0 == ~st3~0; 886#L297 assume ~send3~0 == ~id3~0; 976#L298 assume 0 == ~mode3~0 % 256; 903#L299 assume ~id4~0 >= 0; 904#L300 assume 0 == ~st4~0; 959#L301 assume ~send4~0 == ~id4~0; 960#L302 assume 0 == ~mode4~0 % 256; 979#L303 assume ~id5~0 >= 0; 934#L304 assume 0 == ~st5~0; 935#L305 assume ~send5~0 == ~id5~0; 978#L306 assume 0 == ~mode5~0 % 256; 901#L307 assume ~id6~0 >= 0; 902#L308 assume 0 == ~st6~0; 970#L309 assume ~send6~0 == ~id6~0; 883#L310 assume 0 == ~mode6~0 % 256; 884#L311 assume ~id1~0 != ~id2~0; 944#L312 assume ~id1~0 != ~id3~0; 945#L313 assume ~id1~0 != ~id4~0; 991#L314 assume ~id1~0 != ~id5~0; 932#L315 assume ~id1~0 != ~id6~0; 933#L316 assume ~id2~0 != ~id3~0; 977#L317 assume ~id2~0 != ~id4~0; 897#L318 assume ~id2~0 != ~id5~0; 898#L319 assume ~id2~0 != ~id6~0; 969#L320 assume ~id3~0 != ~id4~0; 879#L321 assume ~id3~0 != ~id5~0; 880#L322 assume ~id3~0 != ~id6~0; 941#L323 assume ~id4~0 != ~id5~0; 942#L324 assume ~id4~0 != ~id6~0; 989#L325 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 872#L285-1 init_#res := init_~tmp~0; 873#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 917#L22 assume !(0 == assume_abort_if_not_~cond); 895#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;main_~i2~0 := 0; 896#L526-2 [2021-10-11 00:21:36,286 INFO L796 eck$LassoCheckResult]: Loop: 896#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 887#L84 assume !(0 != ~mode1~0 % 256); 888#L102 assume !(0 != ~alive1~0 % 256); 912#L102-2 ~mode1~0 := 1; 877#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 878#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 974#L119 assume !(node2_~m2~0 != ~nomsg~0); 907#L119-1 ~mode2~0 := 0; 916#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 927#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 909#L153 assume !(node3_~m3~0 != ~nomsg~0); 908#L153-1 ~mode3~0 := 0; 890#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 891#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 994#L187 assume !(node4_~m4~0 != ~nomsg~0); 947#L187-1 ~mode4~0 := 0; 985#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 966#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 950#L221 assume !(node5_~m5~0 != ~nomsg~0); 949#L221-1 ~mode5~0 := 0; 930#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 874#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 875#L255 assume !(node6_~m6~0 != ~nomsg~0); 893#L255-1 ~mode6~0 := 0; 870#L252-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 871#L458 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 952#L459 assume ~r1~0 < 6;check_~tmp~1 := 1; 924#L458-1 check_#res := check_~tmp~1; 925#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 992#L559 assume !(0 == assert_~arg % 256); 973#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 896#L526-2 [2021-10-11 00:21:36,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:36,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2021-10-11 00:21:36,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:36,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221122341] [2021-10-11 00:21:36,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:36,330 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:36,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:36,404 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:36,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:36,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1986121047, now seen corresponding path program 1 times [2021-10-11 00:21:36,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:36,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740700315] [2021-10-11 00:21:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:36,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:36,469 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:36,476 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:36,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1111090168, now seen corresponding path program 1 times [2021-10-11 00:21:36,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:36,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68553395] [2021-10-11 00:21:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:36,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:36,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68553395] [2021-10-11 00:21:36,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:36,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:36,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345959507] [2021-10-11 00:21:37,435 WARN L197 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2021-10-11 00:21:38,058 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2021-10-11 00:21:38,072 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:21:38,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:21:38,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:21:38,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:21:38,074 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:21:38,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:38,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:21:38,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:21:38,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-11 00:21:38,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:21:38,075 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:21:38,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:38,786 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-10-11 00:21:39,244 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-10-11 00:21:39,356 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:21:39,357 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:39,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:21:39,376 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:39,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:21:39,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:21:39,526 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:21:39,528 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:21:39,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:21:39,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:21:39,529 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:21:39,529 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:21:39,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:39,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:21:39,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:21:39,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-11 00:21:39,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:21:39,529 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:21:39,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:39,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:21:40,167 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-10-11 00:21:40,640 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-10-11 00:21:40,744 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:21:40,750 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:40,763 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 [2021-10-11 00:21:40,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:40,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:40,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:40,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:40,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:40,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:40,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:40,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:40,850 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:40,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:40,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:40,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:40,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:40,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:40,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:40,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:40,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:40,918 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 [2021-10-11 00:21:40,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:40,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:40,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:40,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:40,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:40,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:40,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:40,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:40,979 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 [2021-10-11 00:21:40,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:40,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:40,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:40,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:40,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:40,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:40,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:40,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:41,017 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 [2021-10-11 00:21:41,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,047 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 [2021-10-11 00:21:41,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,102 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 [2021-10-11 00:21:41,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,147 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 [2021-10-11 00:21:41,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:41,182 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 [2021-10-11 00:21:41,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:41,247 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 [2021-10-11 00:21:41,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,289 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 [2021-10-11 00:21:41,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:41,323 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 [2021-10-11 00:21:41,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:41,358 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 [2021-10-11 00:21:41,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:41,394 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 [2021-10-11 00:21:41,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,443 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 [2021-10-11 00:21:41,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:41,517 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 [2021-10-11 00:21:41,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:41,588 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 [2021-10-11 00:21:41,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,643 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 [2021-10-11 00:21:41,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:21:41,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:21:41,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:21:41,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:21:41,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:21:41,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:21:41,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:21:41,648 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:21:41,679 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:21:41,679 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_worker_vcloud-master_on_vcloud-master/run_dir_6edb41fb-7967-4647-ae2d-e9d1d3bedb0c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:21:41,688 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:21:41,688 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:21:41,689 INFO L510 LassoAnalysis]: Proved termination. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:21:41,690 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2021-10-11 00:21:41,730 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:21:41,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:41,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:21:41,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:42,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:21:42,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:42,225 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 [2021-10-11 00:21:42,226 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54 Second operand 3 states. [2021-10-11 00:21:42,312 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54. Second operand 3 states. Result 225 states and 332 transitions. Complement of second has 4 states. [2021-10-11 00:21:42,313 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 [2021-10-11 00:21:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:21:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2021-10-11 00:21:42,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 31 letters. [2021-10-11 00:21:42,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:21:42,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 78 letters. Loop has 31 letters. [2021-10-11 00:21:42,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:21:42,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 62 letters. [2021-10-11 00:21:42,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:21:42,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 332 transitions. [2021-10-11 00:21:42,332 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:21:42,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 0 states and 0 transitions. [2021-10-11 00:21:42,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:21:42,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:21:42,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:21:42,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:42,333 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:42,333 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:42,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:42,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:42,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:42,334 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2021-10-11 00:21:42,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:42,334 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:21:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:42,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:21:42,335 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:21:42,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:42,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:21:42,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:21:42,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:21:42,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:21:42,335 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:42,335 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:42,335 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:42,335 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-11 00:21:42,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:42,336 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:21:42,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:21:42,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:21:42 BoogieIcfgContainer [2021-10-11 00:21:42,342 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:21:42,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:42,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:42,342 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:42,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:34" (3/4) ... [2021-10-11 00:21:42,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:21:42,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:42,347 INFO L168 Benchmark]: Toolchain (without parser) took 9821.99 ms. Allocated memory was 90.2 MB in the beginning and 174.1 MB in the end (delta: 83.9 MB). Free memory was 55.6 MB in the beginning and 56.2 MB in the end (delta: -553.3 kB). Peak memory consumption was 82.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:42,348 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 62.5 MB in the beginning and 62.5 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:42,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.00 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 60.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:42,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.26 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 57.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:42,354 INFO L168 Benchmark]: Boogie Preprocessor took 81.50 ms. Allocated memory is still 90.2 MB. Free memory was 57.3 MB in the beginning and 54.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:42,354 INFO L168 Benchmark]: RCFGBuilder took 1144.77 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 54.8 MB in the beginning and 55.0 MB in the end (delta: -179.1 kB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:42,355 INFO L168 Benchmark]: BuchiAutomizer took 7875.78 ms. Allocated memory was 113.2 MB in the beginning and 174.1 MB in the end (delta: 60.8 MB). Free memory was 54.4 MB in the beginning and 56.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 58.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:42,355 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 174.1 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:42,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 62.5 MB in the beginning and 62.5 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 601.00 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 60.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.26 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 57.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.50 ms. Allocated memory is still 90.2 MB. Free memory was 57.3 MB in the beginning and 54.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1144.77 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 54.8 MB in the beginning and 55.0 MB in the end (delta: -179.1 kB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7875.78 ms. Allocated memory was 113.2 MB in the beginning and 174.1 MB in the end (delta: 60.8 MB). Free memory was 54.4 MB in the beginning and 56.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 58.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.93 ms. Allocated memory is still 174.1 MB. Free memory is still 56.2 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 + 23 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 7.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 843 SDtfs, 333 SDslu, 1347 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital164 mio100 ax100 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...