./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R --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 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f --- 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-38b53e6 [2022-11-25 15:33:36,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:33:36,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:33:36,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:33:36,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:33:36,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:33:36,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:33:36,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:33:36,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:33:36,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:33:36,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:33:36,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:33:36,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:33:36,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:33:36,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:33:36,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:33:36,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:33:36,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:33:36,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:33:36,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:33:36,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:33:36,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:33:36,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:33:36,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:33:36,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:33:36,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:33:36,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:33:36,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:33:36,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:33:36,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:33:36,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:33:36,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:33:36,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:33:36,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:33:36,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:33:36,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:33:36,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:33:36,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:33:36,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:33:36,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:33:36,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:33:36,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:33:36,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:33:36,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:33:36,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:33:36,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:33:36,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:33:36,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:33:36,264 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:33:36,264 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:33:36,265 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:33:36,265 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:33:36,266 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:33:36,267 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:33:36,267 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:33:36,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:33:36,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:33:36,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:33:36,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:33:36,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:33:36,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:33:36,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:33:36,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:33:36,269 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:33:36,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:33:36,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:33:36,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:33:36,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:33:36,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:33:36,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:33:36,273 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:33:36,273 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_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f [2022-11-25 15:33:36,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:33:36,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:33:36,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:33:36,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:33:36,595 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:33:36,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2022-11-25 15:33:39,848 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:33:40,080 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:33:40,081 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2022-11-25 15:33:40,088 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/data/1f97f2f5a/438adf16f18f451291836c16efd5355e/FLAG3f263fc10 [2022-11-25 15:33:40,105 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/data/1f97f2f5a/438adf16f18f451291836c16efd5355e [2022-11-25 15:33:40,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:33:40,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:33:40,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:40,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:33:40,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:33:40,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769d6e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40, skipping insertion in model container [2022-11-25 15:33:40,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:33:40,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:33:40,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:40,290 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:33:40,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:33:40,324 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:33:40,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40 WrapperNode [2022-11-25 15:33:40,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:33:40,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:40,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:33:40,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:33:40,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,360 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-11-25 15:33:40,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:33:40,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:33:40,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:33:40,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:33:40,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:33:40,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:33:40,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:33:40,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:33:40,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (1/1) ... [2022-11-25 15:33:40,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:40,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:40,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:40,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:33:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:33:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:33:40,571 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:33:40,574 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:33:40,812 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:33:40,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:33:40,819 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:33:40,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:40 BoogieIcfgContainer [2022-11-25 15:33:40,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:33:40,823 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:33:40,823 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:33:40,827 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:33:40,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:33:40,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:33:40" (1/3) ... [2022-11-25 15:33:40,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e3f54c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:33:40, skipping insertion in model container [2022-11-25 15:33:40,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:33:40,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:40" (2/3) ... [2022-11-25 15:33:40,831 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e3f54c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:33:40, skipping insertion in model container [2022-11-25 15:33:40,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:33:40,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:40" (3/3) ... [2022-11-25 15:33:40,848 INFO L332 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2022-11-25 15:33:40,966 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:33:40,966 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:33:40,967 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:33:40,967 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:33:40,967 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:33:40,967 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:33:40,968 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:33:40,968 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:33:40,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2022-11-25 15:33:40,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:40,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:33:40,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:33:41,004 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:41,005 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:33:41,005 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:33:41,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2022-11-25 15:33:41,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:41,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:33:41,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:33:41,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:41,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:33:41,019 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#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_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 17#L20true assume !!(-268435455 <= main_~y~0#1); 13#L21true assume !!(-268435455 <= main_~z~0#1); 11#L22true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 8#L22-2true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 15#L27-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 5#L32-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 9#L37-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 3#L42-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 12#L47-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 18#L52-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 16#L57-1true assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 10#L67-1true [2022-11-25 15:33:41,020 INFO L750 eck$LassoCheckResult]: Loop: 10#L67-1true assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 10#L67-1true [2022-11-25 15:33:41,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:41,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1202253379, now seen corresponding path program 1 times [2022-11-25 15:33:41,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:41,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559712412] [2022-11-25 15:33:41,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:41,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:41,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:41,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559712412] [2022-11-25 15:33:41,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559712412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:41,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:41,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:33:41,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252735340] [2022-11-25 15:33:41,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:41,244 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 15:33:41,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:41,246 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 1 times [2022-11-25 15:33:41,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:41,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368058944] [2022-11-25 15:33:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:41,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:41,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:33:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:41,399 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-25 15:33:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:41,492 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2022-11-25 15:33:41,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2022-11-25 15:33:41,496 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-11-25 15:33:41,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 32 transitions. [2022-11-25 15:33:41,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-25 15:33:41,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-25 15:33:41,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2022-11-25 15:33:41,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:33:41,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2022-11-25 15:33:41,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2022-11-25 15:33:41,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-25 15:33:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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) [2022-11-25 15:33:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2022-11-25 15:33:41,535 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2022-11-25 15:33:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:33:41,541 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2022-11-25 15:33:41,541 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:33:41,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2022-11-25 15:33:41,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:41,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:33:41,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:33:41,545 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:41,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:33:41,546 INFO L748 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 61#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 66#L20 assume !!(-268435455 <= main_~y~0#1); 71#L21 assume !!(-268435455 <= main_~z~0#1); 68#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 69#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 65#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 62#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 63#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 58#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 59#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 70#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 72#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 67#L67-1 [2022-11-25 15:33:41,546 INFO L750 eck$LassoCheckResult]: Loop: 67#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 67#L67-1 [2022-11-25 15:33:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1547022655, now seen corresponding path program 1 times [2022-11-25 15:33:41,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:41,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911804265] [2022-11-25 15:33:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:41,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:33:41,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911804265] [2022-11-25 15:33:41,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911804265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:33:41,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:33:41,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:33:41,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523042259] [2022-11-25 15:33:41,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:33:41,604 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 15:33:41,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:41,606 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 2 times [2022-11-25 15:33:41,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:41,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176541928] [2022-11-25 15:33:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:41,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:41,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:33:41,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:33:41,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:33:41,663 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-25 15:33:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:33:41,727 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-11-25 15:33:41,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2022-11-25 15:33:41,729 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-11-25 15:33:41,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 24 transitions. [2022-11-25 15:33:41,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-25 15:33:41,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-25 15:33:41,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 24 transitions. [2022-11-25 15:33:41,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:33:41,734 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-25 15:33:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 24 transitions. [2022-11-25 15:33:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-25 15:33:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 21 states have internal predecessors, (23), 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) [2022-11-25 15:33:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-25 15:33:41,740 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-25 15:33:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:33:41,742 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-25 15:33:41,742 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 15:33:41,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2022-11-25 15:33:41,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:41,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:33:41,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:33:41,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:41,745 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:33:41,745 INFO L748 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 112#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_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 115#L20 assume !!(-268435455 <= main_~y~0#1); 124#L21 assume !!(-268435455 <= main_~z~0#1); 122#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 123#L22-2 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 126#L27-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 113#L32-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 114#L37-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 118#L42-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 120#L47-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 121#L52-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 127#L57-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 119#L67-1 [2022-11-25 15:33:41,745 INFO L750 eck$LassoCheckResult]: Loop: 119#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 119#L67-1 [2022-11-25 15:33:41,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:41,747 INFO L85 PathProgramCache]: Analyzing trace with hash -522195007, now seen corresponding path program 1 times [2022-11-25 15:33:41,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:41,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554480] [2022-11-25 15:33:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:41,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:41,832 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 3 times [2022-11-25 15:33:41,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:41,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611720421] [2022-11-25 15:33:41,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:41,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash 991824041, now seen corresponding path program 1 times [2022-11-25 15:33:41,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:41,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341065009] [2022-11-25 15:33:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:41,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:41,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:42,111 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:33:42,111 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:33:42,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:33:42,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:33:42,112 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:33:42,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:33:42,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:33:42,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2022-11-25 15:33:42,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:33:42,113 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:33:42,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,144 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:33:42,265 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:33:42,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:33:42,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:42,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:42,317 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: [] [2022-11-25 15:33:42,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:42,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:33:42,376 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:42,376 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:33:42,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,387 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:42,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:33:42,412 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:42,412 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:33:42,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:42,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:33:42,458 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:42,459 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: [] [2022-11-25 15:33:42,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,472 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:33:42,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:42,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,507 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:42,507 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:33:42,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:33:42,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:42,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:42,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:33:42,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:33:42,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:42,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:33:42,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:33:42,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:42,662 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 15:33:42,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,673 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:33:42,674 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:33:42,674 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:33:42,674 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:33:42,674 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:33:42,674 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,674 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:33:42,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:33:42,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2022-11-25 15:33:42,674 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:33:42,674 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:33:42,676 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:42,804 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:33:42,810 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:33:42,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,832 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 [2022-11-25 15:33:42,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 15:33:42,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:42,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:42,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:42,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:42,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:33:42,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:33:42,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:42,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 15:33:42,883 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 [2022-11-25 15:33:42,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:42,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:42,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:42,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:42,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:42,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:42,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:42,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:42,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,917 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 15:33:42,924 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 [2022-11-25 15:33:42,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:42,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:42,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:42,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:42,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:42,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:42,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:42,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:42,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:42,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:42,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:42,951 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:42,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 15:33:42,955 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 [2022-11-25 15:33:42,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:42,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:42,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:42,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:42,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:33:42,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:33:42,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:43,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:43,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:43,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:43,008 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:43,017 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 [2022-11-25 15:33:43,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 15:33:43,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:43,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:43,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:43,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:43,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:43,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:43,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:43,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:43,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:43,048 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:43,055 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 [2022-11-25 15:33:43,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 15:33:43,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:43,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:43,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:43,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:43,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:43,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:43,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:43,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:43,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:43,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:43,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:43,097 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:43,102 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 [2022-11-25 15:33:43,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 15:33:43,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:43,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:43,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:43,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:43,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:33:43,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:33:43,150 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:33:43,172 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-25 15:33:43,173 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-25 15:33:43,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:43,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:43,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 15:33:43,221 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:33:43,260 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-25 15:33:43,260 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:33:43,261 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = -1*ULTIMATE.start_main_~z~0#1 + 100 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 2 >= 0] [2022-11-25 15:33:43,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:43,274 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-25 15:33:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:43,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 15:33:43,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:43,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:43,623 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:33:43,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:43,627 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2022-11-25 15:33:43,629 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-25 15:33:43,871 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 25 transitions. Complement of second has 10 states. [2022-11-25 15:33:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 15:33:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-25 15:33:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 24 transitions. [2022-11-25 15:33:43,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 1 letters. [2022-11-25 15:33:43,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:43,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 14 letters. Loop has 1 letters. [2022-11-25 15:33:43,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:43,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 2 letters. [2022-11-25 15:33:43,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:43,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 25 transitions. [2022-11-25 15:33:43,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:43,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 14 states and 14 transitions. [2022-11-25 15:33:43,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-25 15:33:43,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-25 15:33:43,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2022-11-25 15:33:43,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:33:43,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-25 15:33:43,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2022-11-25 15:33:43,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 15:33:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-11-25 15:33:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-25 15:33:43,894 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-25 15:33:43,894 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-25 15:33:43,894 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 15:33:43,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2022-11-25 15:33:43,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:33:43,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:33:43,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:33:43,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:33:43,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:33:43,897 INFO L748 eck$LassoCheckResult]: Stem: 246#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 247#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_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 250#L20 assume !!(-268435455 <= main_~y~0#1); 256#L21 assume !!(-268435455 <= main_~z~0#1); 255#L22 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 251#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 252#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 248#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 249#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 244#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 245#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 254#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 257#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 253#L67-1 [2022-11-25 15:33:43,898 INFO L750 eck$LassoCheckResult]: Loop: 253#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 253#L67-1 [2022-11-25 15:33:43,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:43,898 INFO L85 PathProgramCache]: Analyzing trace with hash 2067886271, now seen corresponding path program 1 times [2022-11-25 15:33:43,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:43,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128607261] [2022-11-25 15:33:43,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:43,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:43,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:43,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:43,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:43,957 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 4 times [2022-11-25 15:33:43,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:43,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646098374] [2022-11-25 15:33:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:43,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:43,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:43,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:43,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:43,968 INFO L85 PathProgramCache]: Analyzing trace with hash -320034965, now seen corresponding path program 1 times [2022-11-25 15:33:43,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:33:43,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316089876] [2022-11-25 15:33:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:33:43,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:33:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:43,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:33:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:33:43,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:33:44,132 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:33:44,132 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:33:44,132 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:33:44,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:33:44,132 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:33:44,133 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,133 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:33:44,133 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:33:44,133 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2022-11-25 15:33:44,133 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:33:44,133 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:33:44,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,139 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,253 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:33:44,254 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:33:44,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,259 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:44,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:44,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 15:33:44,294 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:44,294 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: [] [2022-11-25 15:33:44,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,308 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:44,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:44,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 15:33:44,351 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:44,352 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:33:44,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,364 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:44,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:44,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 15:33:44,415 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:44,415 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:33:44,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,428 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:44,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:44,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-25 15:33:44,459 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:33:44,459 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:33:44,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,471 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:33:44,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:44,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-25 15:33:44,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,512 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:33:44,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:33:44,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-25 15:33:44,554 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 15:33:44,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,559 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:33:44,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:33:44,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:33:44,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:33:44,559 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:33:44,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:33:44,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:33:44,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2022-11-25 15:33:44,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:33:44,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:33:44,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:33:44,668 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:33:44,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:33:44,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,670 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,680 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 [2022-11-25 15:33:44,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-25 15:33:44,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:44,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:44,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:44,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:44,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:33:44,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:33:44,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:44,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,720 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,724 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 [2022-11-25 15:33:44,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-25 15:33:44,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:44,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:44,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:44,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:44,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:44,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:44,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:44,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:44,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,765 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,772 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 [2022-11-25 15:33:44,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-25 15:33:44,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:44,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:44,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:44,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:44,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:44,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:44,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:44,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:44,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,808 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,813 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 [2022-11-25 15:33:44,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-25 15:33:44,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:44,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:33:44,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:44,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:44,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:44,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:33:44,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:33:44,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:33:44,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,861 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,865 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 [2022-11-25 15:33:44,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-25 15:33:44,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:33:44,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:33:44,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:33:44,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:33:44,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:33:44,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:33:44,910 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:33:44,930 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-25 15:33:44,930 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-25 15:33:44,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:33:44,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:33:44,932 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:33:44,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-25 15:33:44,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:33:44,976 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-25 15:33:44,976 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:33:44,976 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 100 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 2 >= 0] [2022-11-25 15:33:44,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:44,989 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-25 15:33:45,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:33:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:45,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 15:33:45,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:33:45,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:33:45,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:33:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:33:45,183 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 1 loop predicates [2022-11-25 15:33:45,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-25 15:33:45,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-25 15:33:45,335 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 15 states and 15 transitions. Complement of second has 9 states. [2022-11-25 15:33:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 15:33:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-25 15:33:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2022-11-25 15:33:45,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 1 letters. [2022-11-25 15:33:45,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:45,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 14 letters. Loop has 1 letters. [2022-11-25 15:33:45,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:45,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 2 letters. [2022-11-25 15:33:45,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:33:45,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 15 transitions. [2022-11-25 15:33:45,339 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:33:45,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-11-25 15:33:45,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:33:45,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:33:45,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:33:45,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:33:45,340 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:33:45,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:33:45,341 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:33:45,341 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 15:33:45,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:33:45,341 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:33:45,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:33:45,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:33:45 BoogieIcfgContainer [2022-11-25 15:33:45,349 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:33:45,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:33:45,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:33:45,350 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:33:45,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:40" (3/4) ... [2022-11-25 15:33:45,354 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:33:45,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:33:45,355 INFO L158 Benchmark]: Toolchain (without parser) took 5245.29ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 111.2MB in the beginning and 143.0MB in the end (delta: -31.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-25 15:33:45,355 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:45,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.08ms. Allocated memory is still 140.5MB. Free memory was 110.6MB in the beginning and 101.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:33:45,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.19ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:33:45,356 INFO L158 Benchmark]: Boogie Preprocessor took 24.69ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:45,356 INFO L158 Benchmark]: RCFGBuilder took 435.02ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 88.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:33:45,357 INFO L158 Benchmark]: BuchiAutomizer took 4526.18ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 88.1MB in the beginning and 143.0MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:45,357 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 178.3MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:33:45,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.08ms. Allocated memory is still 140.5MB. Free memory was 110.6MB in the beginning and 101.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.19ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.69ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.02ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 88.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4526.18ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 88.1MB in the beginning and 143.0MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 178.3MB. Free memory is still 143.0MB. 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 (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * z + 100 and consists of 10 locations. One deterministic module has affine ranking function -1 * y + 100 and consists of 9 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 58 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 15:33:45,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf33372-42c2-41ea-aa59-e9bcf9366fb7/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE