./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:07:25,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:07:25,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:07:25,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:07:26,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:07:26,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:07:26,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:07:26,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:07:26,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:07:26,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:07:26,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:07:26,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:07:26,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:07:26,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:07:26,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:07:26,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:07:26,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:07:26,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:07:26,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:07:26,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:07:26,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:07:26,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:07:26,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:07:26,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:07:26,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:07:26,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:07:26,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:07:26,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:07:26,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:07:26,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:07:26,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:07:26,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:07:26,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:07:26,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:07:26,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:07:26,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:07:26,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:07:26,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:07:26,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:07:26,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:07:26,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:07:26,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 09:07:26,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:07:26,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:07:26,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:07:26,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:07:26,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:07:26,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:07:26,078 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:07:26,078 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 09:07:26,078 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 09:07:26,079 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 09:07:26,079 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 09:07:26,080 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 09:07:26,080 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 09:07:26,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:07:26,081 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:07:26,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:07:26,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:07:26,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 09:07:26,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 09:07:26,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 09:07:26,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:07:26,083 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 09:07:26,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:07:26,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 09:07:26,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:07:26,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:07:26,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:07:26,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:07:26,086 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 09:07:26,087 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_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 [2022-11-21 09:07:26,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:07:26,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:07:26,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:07:26,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:07:26,440 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:07:26,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-restricted-15/PastaC9.c [2022-11-21 09:07:30,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:07:30,325 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:07:30,326 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2022-11-21 09:07:30,332 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/data/9f6a5ade9/b2c6a645a3964138938b7e6ba47184fb/FLAG591002af4 [2022-11-21 09:07:30,354 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/data/9f6a5ade9/b2c6a645a3964138938b7e6ba47184fb [2022-11-21 09:07:30,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:07:30,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:07:30,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:07:30,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:07:30,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:07:30,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6338efd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30, skipping insertion in model container [2022-11-21 09:07:30,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:07:30,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:07:30,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:07:30,563 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:07:30,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:07:30,595 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:07:30,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30 WrapperNode [2022-11-21 09:07:30,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:07:30,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:07:30,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:07:30,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:07:30,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,633 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-21 09:07:30,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:07:30,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:07:30,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:07:30,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:07:30,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:07:30,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:07:30,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:07:30,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:07:30,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (1/1) ... [2022-11-21 09:07:30,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:30,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:30,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 09:07:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:07:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:07:30,851 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:07:30,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:07:30,950 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:07:30,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:07:30,958 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:07:30,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:07:30 BoogieIcfgContainer [2022-11-21 09:07:30,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:07:30,962 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 09:07:30,962 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 09:07:30,967 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 09:07:30,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:07:30,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 09:07:30" (1/3) ... [2022-11-21 09:07:30,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f8e307e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:07:30, skipping insertion in model container [2022-11-21 09:07:30,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:07:30,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:07:30" (2/3) ... [2022-11-21 09:07:30,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f8e307e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:07:30, skipping insertion in model container [2022-11-21 09:07:30,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:07:30,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:07:30" (3/3) ... [2022-11-21 09:07:30,973 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaC9.c [2022-11-21 09:07:31,043 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 09:07:31,043 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 09:07:31,043 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 09:07:31,043 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 09:07:31,044 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 09:07:31,044 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 09:07:31,044 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 09:07:31,044 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 09:07:31,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:31,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:07:31,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:07:31,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:07:31,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 09:07:31,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:07:31,080 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 09:07:31,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:31,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:07:31,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:07:31,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:07:31,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 09:07:31,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:07:31,095 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L14-2true [2022-11-21 09:07:31,096 INFO L750 eck$LassoCheckResult]: Loop: 8#L14-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L14true assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 8#L14-2true [2022-11-21 09:07:31,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:31,115 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-21 09:07:31,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:31,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624438061] [2022-11-21 09:07:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:31,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:31,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:31,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-21 09:07:31,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:31,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071109931] [2022-11-21 09:07:31,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:31,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:31,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:31,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:31,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:31,260 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-21 09:07:31,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:31,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197632952] [2022-11-21 09:07:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:31,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:31,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:31,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:31,381 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:31,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:31,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:31,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:31,383 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:07:31,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:31,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:31,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:31,384 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2022-11-21 09:07:31,384 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:31,384 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:31,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,594 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:31,595 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:07:31,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:31,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:31,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:31,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:31,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:31,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 09:07:31,666 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:31,667 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:31,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:31,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:31,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:31,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:31,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 09:07:31,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:31,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:31,708 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:31,709 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:31,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:31,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:31,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:31,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 09:07:31,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:31,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:31,779 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:31,779 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0#1=55, ULTIMATE.start_main_#t~nondet2#1=55} Honda state: {ULTIMATE.start_main_~random~0#1=55, ULTIMATE.start_main_#t~nondet2#1=55} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:31,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-21 09:07:31,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:31,818 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:31,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:31,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:31,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 09:07:31,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:31,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:31,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:31,876 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:31,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:07:31,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:31,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 09:07:31,938 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:07:31,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:31,943 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:31,943 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:31,943 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:31,943 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:31,943 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:07:31,943 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:31,943 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:31,944 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:31,944 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2022-11-21 09:07:31,944 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:31,944 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:31,947 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:31,974 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:32,044 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:32,049 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:07:32,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:32,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 09:07:32,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:32,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:32,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:32,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:32,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:07:32,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:07:32,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:32,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:32,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 09:07:32,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:32,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:32,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:32,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:32,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:32,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:07:32,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:07:32,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:32,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:32,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,182 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:32,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 09:07:32,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:32,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:32,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:32,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:32,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:32,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:32,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:32,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:32,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:32,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,233 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:32,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 09:07:32,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:32,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:32,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:32,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:32,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:32,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:32,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:32,281 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:07:32,298 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:07:32,298 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-21 09:07:32,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,303 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 09:07:32,306 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:07:32,306 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:07:32,307 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:07:32,307 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-21 09:07:32,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:32,314 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:07:32,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:32,355 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:07:32,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:32,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:07:32,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:32,437 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:07:32,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:32,490 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 8 states. [2022-11-21 09:07:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 09:07:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-11-21 09:07:32,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-21 09:07:32,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:32,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-21 09:07:32,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:32,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-21 09:07:32,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:32,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2022-11-21 09:07:32,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:07:32,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2022-11-21 09:07:32,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-11-21 09:07:32,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-21 09:07:32,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2022-11-21 09:07:32,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:07:32,513 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-11-21 09:07:32,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2022-11-21 09:07:32,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-21 09:07:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2022-11-21 09:07:32,538 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-11-21 09:07:32,538 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-11-21 09:07:32,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 09:07:32,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2022-11-21 09:07:32,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:07:32,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:07:32,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:07:32,541 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 09:07:32,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:07:32,541 INFO L748 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 72#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 73#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 74#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 75#L14-2 [2022-11-21 09:07:32,541 INFO L750 eck$LassoCheckResult]: Loop: 75#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 78#L14 assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 75#L14-2 [2022-11-21 09:07:32,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:32,542 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-21 09:07:32,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:32,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329660967] [2022-11-21 09:07:32,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:32,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:32,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:32,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:32,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:32,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2022-11-21 09:07:32,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:32,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866252161] [2022-11-21 09:07:32,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:32,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:32,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:32,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2022-11-21 09:07:32,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760407692] [2022-11-21 09:07:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:32,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:32,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:32,666 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:32,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:32,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:32,667 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:32,667 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:07:32,667 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,667 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:32,667 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:32,668 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2022-11-21 09:07:32,668 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:32,668 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:32,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:32,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:32,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:32,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:32,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:32,799 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:32,802 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:07:32,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,804 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:32,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:32,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 09:07:32,837 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:32,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:32,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-21 09:07:32,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,845 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 09:07:32,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:32,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:32,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:32,892 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:32,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:32,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,906 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:32,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:32,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 09:07:32,955 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:32,956 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:32,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:32,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:32,968 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:32,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:32,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:32,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 09:07:33,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:33,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:33,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 09:07:33,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:07:33,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:33,067 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:07:33,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,080 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:33,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:33,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:33,080 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:33,080 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:07:33,080 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:33,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:33,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2022-11-21 09:07:33,081 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:33,081 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:33,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,206 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:33,206 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:07:33,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:33,220 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:33,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:33,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 09:07:33,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:33,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:33,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:33,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:33,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:07:33,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:07:33,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:33,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:33,339 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:33,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:33,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 09:07:33,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:33,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:33,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:33,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:33,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:07:33,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:07:33,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:33,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:33,444 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:33,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 09:07:33,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:33,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:33,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:33,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:33,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:33,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:33,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:33,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:33,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:33,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:33,494 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:33,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:33,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 09:07:33,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:33,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:33,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:33,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:33,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:33,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:33,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:33,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:07:33,577 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:07:33,578 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-21 09:07:33,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:33,591 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:33,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:07:33,603 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:07:33,603 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:07:33,603 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-21 09:07:33,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 09:07:33,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,614 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:07:33,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:33,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:07:33,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:33,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:07:33,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:33,694 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:07:33,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:33,726 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2022-11-21 09:07:33,727 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 [2022-11-21 09:07:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-21 09:07:33,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-21 09:07:33,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:33,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-21 09:07:33,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:33,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-21 09:07:33,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:33,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2022-11-21 09:07:33,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:07:33,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2022-11-21 09:07:33,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-21 09:07:33,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-21 09:07:33,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2022-11-21 09:07:33,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:07:33,741 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-11-21 09:07:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2022-11-21 09:07:33,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-21 09:07:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2022-11-21 09:07:33,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-11-21 09:07:33,771 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-11-21 09:07:33,772 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 09:07:33,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2022-11-21 09:07:33,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:07:33,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:07:33,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:07:33,773 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2022-11-21 09:07:33,773 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:07:33,774 INFO L748 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 131#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 132#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 133#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 138#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 136#L14-2 [2022-11-21 09:07:33,774 INFO L750 eck$LassoCheckResult]: Loop: 136#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 137#L14 assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 136#L14-2 [2022-11-21 09:07:33,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:33,775 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2022-11-21 09:07:33,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:33,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737163264] [2022-11-21 09:07:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:33,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:33,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:33,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:33,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:33,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:33,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2022-11-21 09:07:33,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:33,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725767410] [2022-11-21 09:07:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:33,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:33,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:33,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:33,815 INFO L85 PathProgramCache]: Analyzing trace with hash 295744366, now seen corresponding path program 2 times [2022-11-21 09:07:33,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:33,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532884662] [2022-11-21 09:07:33,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:33,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:33,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:33,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:33,873 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:33,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:33,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:33,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:33,874 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:07:33,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,875 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:33,875 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:33,875 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2022-11-21 09:07:33,875 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:33,875 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:33,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,884 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:33,957 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:33,958 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:07:33,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:33,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:33,959 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:33,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:33,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:33,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 09:07:34,004 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:34,004 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0#1=55, ULTIMATE.start_main_#t~nondet2#1=55} Honda state: {ULTIMATE.start_main_~random~0#1=55, ULTIMATE.start_main_#t~nondet2#1=55} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:34,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,016 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:34,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:34,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 09:07:34,051 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:34,051 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:34,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,063 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 09:07:34,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:34,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:34,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:34,093 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:34,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,100 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:34,106 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:34,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 09:07:34,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,141 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:07:34,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:34,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 09:07:34,184 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:07:34,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,196 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:34,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:34,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:34,196 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:34,196 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:07:34,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:34,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:34,197 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2022-11-21 09:07:34,197 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:34,197 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:34,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:34,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:34,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:34,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:34,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:34,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:34,327 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:07:34,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,336 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:34,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 09:07:34,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:34,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:34,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:34,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:34,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:34,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:34,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:34,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:34,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,390 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:34,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 09:07:34,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:34,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:34,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:34,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:34,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:34,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:34,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:34,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:34,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,440 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:34,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 09:07:34,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:34,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:34,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:34,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:34,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:07:34,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:07:34,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:34,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,494 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:34,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 09:07:34,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:34,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:34,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:34,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:34,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:34,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:34,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:34,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:07:34,536 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-21 09:07:34,536 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 09:07:34,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:34,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:34,538 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:34,544 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:07:34,544 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:07:34,545 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:07:34,545 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-21 09:07:34,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 09:07:34,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:34,556 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:07:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:34,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:07:34,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:34,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:07:34,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:34,637 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:07:34,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:34,652 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 21 transitions. Complement of second has 5 states. [2022-11-21 09:07:34,653 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 [2022-11-21 09:07:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-21 09:07:34,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-21 09:07:34,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:34,655 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:07:34,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:34,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:07:34,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:34,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:07:34,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:34,733 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:07:34,733 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:34,753 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 21 transitions. Complement of second has 5 states. [2022-11-21 09:07:34,753 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 [2022-11-21 09:07:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-21 09:07:34,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-21 09:07:34,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:34,755 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:07:34,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:34,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:07:34,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:34,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:07:34,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:34,830 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:07:34,831 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:34,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 24 transitions. Complement of second has 4 states. [2022-11-21 09:07:34,853 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 [2022-11-21 09:07:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-21 09:07:34,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-21 09:07:34,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:34,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-21 09:07:34,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:34,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-21 09:07:34,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:34,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 24 transitions. [2022-11-21 09:07:34,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 09:07:34,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 20 transitions. [2022-11-21 09:07:34,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-21 09:07:34,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-21 09:07:34,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2022-11-21 09:07:34,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:07:34,867 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-21 09:07:34,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2022-11-21 09:07:34,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 6. [2022-11-21 09:07:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2022-11-21 09:07:34,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2022-11-21 09:07:34,872 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2022-11-21 09:07:34,873 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 09:07:34,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2022-11-21 09:07:34,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 09:07:34,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:07:34,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:07:34,874 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 09:07:34,874 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:07:34,874 INFO L748 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 288#L14-2 [2022-11-21 09:07:34,874 INFO L750 eck$LassoCheckResult]: Loop: 288#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 289#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 288#L14-2 [2022-11-21 09:07:34,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:34,875 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-21 09:07:34,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:34,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121804216] [2022-11-21 09:07:34,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:34,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:34,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:34,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:34,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:34,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-11-21 09:07:34,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:34,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726314379] [2022-11-21 09:07:34,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:34,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:34,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:34,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:34,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:34,926 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 3 times [2022-11-21 09:07:34,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:34,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580479648] [2022-11-21 09:07:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:34,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:34,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:07:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:07:34,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:07:35,030 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:35,031 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:35,031 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:35,031 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:35,031 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:07:35,031 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,031 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:35,031 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:35,032 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration4_Loop [2022-11-21 09:07:35,032 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:35,032 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:35,033 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,126 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:35,126 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:07:35,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,128 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:35,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:35,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 09:07:35,176 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:35,176 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=4, ULTIMATE.start_main_~y~0#1=4, ULTIMATE.start_main_~random~0#1=4} Honda state: {ULTIMATE.start_main_#t~nondet3#1=4, ULTIMATE.start_main_~y~0#1=4, ULTIMATE.start_main_~random~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:35,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,188 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:35,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:35,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 09:07:35,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:35,231 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=41} Honda state: {ULTIMATE.start_main_#t~nondet2#1=41} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:35,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,241 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 09:07:35,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:35,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:35,270 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:35,270 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:35,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,275 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 09:07:35,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:35,279 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:35,299 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:07:35,300 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:07:35,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,305 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:07:35,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:35,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 09:07:35,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,340 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 09:07:35,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:07:35,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:07:35,372 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:07:35,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,375 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:07:35,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:07:35,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:07:35,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:07:35,376 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:07:35,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:07:35,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:07:35,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration4_Loop [2022-11-21 09:07:35,376 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:07:35,377 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:07:35,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:07:35,493 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:07:35,493 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:07:35,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,495 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:35,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 09:07:35,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:35,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:35,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:35,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:35,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:35,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:35,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:35,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:35,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,546 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:35,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 09:07:35,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:35,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:35,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:35,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:35,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:07:35,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:07:35,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:07:35,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,601 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:07:35,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 09:07:35,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:07:35,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:07:35,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:07:35,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:07:35,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:07:35,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:07:35,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:07:35,640 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:07:35,643 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-21 09:07:35,643 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 09:07:35,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:07:35,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:07:35,645 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:07:35,652 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:07:35,652 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:07:35,652 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:07:35,652 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-21 09:07:35,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 09:07:35,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,665 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:07:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:35,687 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:07:35,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:35,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:07:35,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:07:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:07:35,719 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:07:35,719 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:35,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 18 transitions. Complement of second has 4 states. [2022-11-21 09:07:35,739 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 [2022-11-21 09:07:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:07:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2022-11-21 09:07:35,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-21 09:07:35,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:35,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-21 09:07:35,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:35,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-21 09:07:35,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:07:35,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2022-11-21 09:07:35,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 09:07:35,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-11-21 09:07:35,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 09:07:35,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 09:07:35,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 09:07:35,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:07:35,748 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:07:35,749 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:07:35,749 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:07:35,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-21 09:07:35,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 09:07:35,749 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 09:07:35,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 09:07:35,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 09:07:35 BoogieIcfgContainer [2022-11-21 09:07:35,759 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 09:07:35,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:07:35,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:07:35,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:07:35,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:07:30" (3/4) ... [2022-11-21 09:07:35,765 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 09:07:35,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:07:35,766 INFO L158 Benchmark]: Toolchain (without parser) took 5407.51ms. Allocated memory is still 174.1MB. Free memory was 133.0MB in the beginning and 70.2MB in the end (delta: 62.8MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-11-21 09:07:35,767 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:07:35,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.14ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 123.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:07:35,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 122.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:07:35,768 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 121.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:07:35,768 INFO L158 Benchmark]: RCFGBuilder took 307.02ms. Allocated memory is still 174.1MB. Free memory was 121.4MB in the beginning and 113.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:07:35,769 INFO L158 Benchmark]: BuchiAutomizer took 4796.89ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 70.2MB in the end (delta: 42.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-21 09:07:35,769 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 174.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:07:35,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.14ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 123.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 122.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 121.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.02ms. Allocated memory is still 174.1MB. Free memory was 121.4MB in the beginning and 113.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4796.89ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 70.2MB in the end (delta: 42.8MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 174.1MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One deterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 33 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf100 lsp31 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf92 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 09:07:35,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:35,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 09:07:36,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522f520d-e8d1-4202-9a34-49357ff40afb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE