./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 --- 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-2329fc7 [2022-12-13 13:18:20,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:18:20,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:18:20,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:18:20,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:18:20,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:18:20,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:18:20,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:18:20,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:18:20,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:18:20,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:18:20,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:18:20,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:18:20,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:18:20,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:18:20,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:18:20,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:18:20,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:18:20,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:18:20,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:18:20,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:18:20,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:18:20,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:18:20,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:18:20,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:18:20,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:18:20,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:18:20,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:18:20,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:18:20,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:18:20,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:18:20,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:18:20,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:18:20,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:18:20,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:18:20,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:18:20,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:18:20,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:18:20,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:18:20,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:18:20,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:18:20,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 13:18:20,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:18:20,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:18:20,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:18:20,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:18:20,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:18:20,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:18:20,259 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:18:20,259 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 13:18:20,259 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 13:18:20,259 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 13:18:20,259 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 13:18:20,259 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 13:18:20,260 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 13:18:20,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:18:20,260 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:18:20,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:18:20,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:18:20,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 13:18:20,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:18:20,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 13:18:20,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:18:20,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:18:20,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:18:20,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:18:20,263 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 13:18:20,263 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_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 [2022-12-13 13:18:20,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:18:20,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:18:20,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:18:20,462 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:18:20,462 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:18:20,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loops/insertion_sort-1-2.c [2022-12-13 13:18:23,056 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:18:23,223 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:18:23,224 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/sv-benchmarks/c/loops/insertion_sort-1-2.c [2022-12-13 13:18:23,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/data/e0c56d5d0/9b1bd51e7822403dbd7c23d15b9d43f5/FLAG63ede0cd5 [2022-12-13 13:18:23,241 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/data/e0c56d5d0/9b1bd51e7822403dbd7c23d15b9d43f5 [2022-12-13 13:18:23,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:18:23,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:18:23,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:23,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:18:23,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:18:23,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f95b768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23, skipping insertion in model container [2022-12-13 13:18:23,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:18:23,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:18:23,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/sv-benchmarks/c/loops/insertion_sort-1-2.c[330,343] [2022-12-13 13:18:23,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:23,424 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:18:23,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/sv-benchmarks/c/loops/insertion_sort-1-2.c[330,343] [2022-12-13 13:18:23,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:18:23,452 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:18:23,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23 WrapperNode [2022-12-13 13:18:23,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:18:23,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:23,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:18:23,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:18:23,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,479 INFO L138 Inliner]: procedures = 15, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2022-12-13 13:18:23,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:18:23,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:18:23,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:18:23,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:18:23,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,498 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:18:23,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:18:23,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:18:23,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:18:23,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (1/1) ... [2022-12-13 13:18:23,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:23,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:23,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:23,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 13:18:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:18:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:18:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:18:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:18:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:18:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:18:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:18:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:18:23,617 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:18:23,618 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:18:23,755 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:18:23,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:18:23,759 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 13:18:23,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:23 BoogieIcfgContainer [2022-12-13 13:18:23,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:18:23,761 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 13:18:23,761 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 13:18:23,764 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 13:18:23,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:18:23,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 01:18:23" (1/3) ... [2022-12-13 13:18:23,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22388b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:18:23, skipping insertion in model container [2022-12-13 13:18:23,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:18:23,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:18:23" (2/3) ... [2022-12-13 13:18:23,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22388b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:18:23, skipping insertion in model container [2022-12-13 13:18:23,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:18:23,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:23" (3/3) ... [2022-12-13 13:18:23,766 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1-2.c [2022-12-13 13:18:23,810 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 13:18:23,810 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 13:18:23,810 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 13:18:23,810 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 13:18:23,810 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 13:18:23,811 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 13:18:23,811 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 13:18:23,811 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 13:18:23,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2022-12-13 13:18:23,825 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-12-13 13:18:23,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:23,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:23,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 13:18:23,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 13:18:23,829 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 13:18:23,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2022-12-13 13:18:23,831 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-12-13 13:18:23,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:23,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:23,831 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 13:18:23,831 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 13:18:23,836 INFO L748 eck$LassoCheckResult]: Stem: 22#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5#L15true assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 20#L20-3true [2022-12-13 13:18:23,836 INFO L750 eck$LassoCheckResult]: Loop: 20#L20-3true assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 21#L20-2true main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 20#L20-3true [2022-12-13 13:18:23,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:23,842 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-12-13 13:18:23,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:23,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502207243] [2022-12-13 13:18:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:23,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:23,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:23,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:23,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2022-12-13 13:18:23,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:23,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646280704] [2022-12-13 13:18:23,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:23,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:23,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:23,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:23,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:23,986 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2022-12-13 13:18:23,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:23,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154039750] [2022-12-13 13:18:23,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:23,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:24,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:24,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:24,348 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 13:18:24,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 13:18:24,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 13:18:24,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 13:18:24,349 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 13:18:24,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:24,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 13:18:24,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 13:18:24,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration1_Lasso [2022-12-13 13:18:24,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 13:18:24,350 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 13:18:24,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,399 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:24,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 13:18:24,955 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 13:18:24,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:24,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:24,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:24,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 13:18:24,959 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 [2022-12-13 13:18:24,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:24,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:24,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:24,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:24,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:24,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:24,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:24,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:24,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:24,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:24,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:24,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:24,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 13:18:24,980 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 [2022-12-13 13:18:24,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:24,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:24,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:24,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:24,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:24,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:24,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:24,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:24,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:24,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:24,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:24,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:24,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 13:18:24,998 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 [2022-12-13 13:18:25,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 13:18:25,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,013 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 13:18:25,015 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 [2022-12-13 13:18:25,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:25,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 13:18:25,033 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 [2022-12-13 13:18:25,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 13:18:25,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 13:18:25,054 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 [2022-12-13 13:18:25,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 13:18:25,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,075 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 13:18:25,077 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 [2022-12-13 13:18:25,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 13:18:25,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,093 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 13:18:25,096 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 [2022-12-13 13:18:25,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 13:18:25,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,113 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 13:18:25,115 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 [2022-12-13 13:18:25,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 13:18:25,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,131 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 13:18:25,133 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 [2022-12-13 13:18:25,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:25,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,149 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 13:18:25,152 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 [2022-12-13 13:18:25,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 13:18:25,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,173 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 13:18:25,175 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 [2022-12-13 13:18:25,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 13:18:25,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,196 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 13:18:25,198 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 [2022-12-13 13:18:25,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 13:18:25,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,214 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 13:18:25,216 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 [2022-12-13 13:18:25,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:25,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,242 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 13:18:25,244 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 [2022-12-13 13:18:25,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 13:18:25,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,266 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 13:18:25,268 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 [2022-12-13 13:18:25,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 13:18:25,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,288 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 13:18:25,291 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 [2022-12-13 13:18:25,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:25,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:25,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:25,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:25,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,307 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 13:18:25,309 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 [2022-12-13 13:18:25,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:25,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,328 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 13:18:25,330 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 [2022-12-13 13:18:25,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 13:18:25,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,352 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 13:18:25,354 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 [2022-12-13 13:18:25,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:25,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,374 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 13:18:25,376 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 [2022-12-13 13:18:25,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:25,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 13:18:25,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,397 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 13:18:25,399 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 [2022-12-13 13:18:25,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:25,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:25,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:25,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:25,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:25,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:25,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 13:18:25,451 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-12-13 13:18:25,451 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-12-13 13:18:25,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:25,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:25,478 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:25,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 13:18:25,479 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 13:18:25,491 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 13:18:25,492 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 13:18:25,492 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#v~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1, ULTIMATE.start_main_~j~0#1) = -1*ULTIMATE.start_main_~#v~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-12-13 13:18:25,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 13:18:25,514 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-12-13 13:18:25,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:25,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:18:25,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:25,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:18:25,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:25,614 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 13:18:25,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 13:18:25,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 49 states and 71 transitions. Complement of second has 8 states. [2022-12-13 13:18:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 13:18:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2022-12-13 13:18:25,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2022-12-13 13:18:25,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:25,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 13:18:25,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:25,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 4 letters. [2022-12-13 13:18:25,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:25,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2022-12-13 13:18:25,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-12-13 13:18:25,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 21 states and 30 transitions. [2022-12-13 13:18:25,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-12-13 13:18:25,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-12-13 13:18:25,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 30 transitions. [2022-12-13 13:18:25,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:18:25,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2022-12-13 13:18:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 30 transitions. [2022-12-13 13:18:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-13 13:18:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 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) [2022-12-13 13:18:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2022-12-13 13:18:25,695 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2022-12-13 13:18:25,696 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2022-12-13 13:18:25,696 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 13:18:25,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2022-12-13 13:18:25,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-12-13 13:18:25,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:25,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:25,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 13:18:25,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 13:18:25,697 INFO L748 eck$LassoCheckResult]: Stem: 159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 144#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 145#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 154#L20-4 main_~j~0#1 := 1; 152#L22-3 [2022-12-13 13:18:25,698 INFO L750 eck$LassoCheckResult]: Loop: 152#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 153#L25-5 assume !true; 142#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 151#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 152#L22-3 [2022-12-13 13:18:25,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:25,698 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2022-12-13 13:18:25,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:25,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394879914] [2022-12-13 13:18:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:25,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:25,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:25,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:25,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:25,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1841148, now seen corresponding path program 1 times [2022-12-13 13:18:25,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:25,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817241071] [2022-12-13 13:18:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:25,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:25,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:25,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817241071] [2022-12-13 13:18:25,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817241071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:25,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:25,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:18:25,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063397470] [2022-12-13 13:18:25,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:25,759 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 13:18:25,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:25,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:18:25,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:18:25,762 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 12 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:25,766 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2022-12-13 13:18:25,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2022-12-13 13:18:25,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:25,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2022-12-13 13:18:25,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-12-13 13:18:25,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-12-13 13:18:25,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-12-13 13:18:25,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:18:25,769 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-12-13 13:18:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-12-13 13:18:25,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-13 13:18:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-12-13 13:18:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-12-13 13:18:25,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-12-13 13:18:25,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:18:25,772 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-12-13 13:18:25,772 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 13:18:25,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-12-13 13:18:25,772 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:25,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:25,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:25,773 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 13:18:25,773 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:18:25,773 INFO L748 eck$LassoCheckResult]: Stem: 205#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 191#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 192#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 200#L20-4 main_~j~0#1 := 1; 199#L22-3 [2022-12-13 13:18:25,773 INFO L750 eck$LassoCheckResult]: Loop: 199#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 201#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 193#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 188#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 189#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 198#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 199#L22-3 [2022-12-13 13:18:25,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:25,774 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 2 times [2022-12-13 13:18:25,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:25,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699802797] [2022-12-13 13:18:25,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:25,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:25,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:25,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:25,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:25,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1750294158, now seen corresponding path program 1 times [2022-12-13 13:18:25,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:25,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897293930] [2022-12-13 13:18:25,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:25,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:25,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:25,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:25,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:25,805 INFO L85 PathProgramCache]: Analyzing trace with hash -823994471, now seen corresponding path program 1 times [2022-12-13 13:18:25,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:25,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002050262] [2022-12-13 13:18:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:25,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:25,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:25,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002050262] [2022-12-13 13:18:25,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002050262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:25,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:25,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:18:25,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770923556] [2022-12-13 13:18:25,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:26,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:26,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:18:26,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:18:26,064 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:26,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:26,103 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2022-12-13 13:18:26,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2022-12-13 13:18:26,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:26,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 26 transitions. [2022-12-13 13:18:26,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-12-13 13:18:26,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-12-13 13:18:26,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2022-12-13 13:18:26,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:18:26,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-12-13 13:18:26,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2022-12-13 13:18:26,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-12-13 13:18:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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) [2022-12-13 13:18:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-12-13 13:18:26,108 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-12-13 13:18:26,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:18:26,108 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-12-13 13:18:26,109 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 13:18:26,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-12-13 13:18:26,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:26,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:26,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:26,109 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:26,109 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:18:26,109 INFO L748 eck$LassoCheckResult]: Stem: 262#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 256#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 249#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 250#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 260#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 261#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 257#L20-4 main_~j~0#1 := 1; 255#L22-3 [2022-12-13 13:18:26,109 INFO L750 eck$LassoCheckResult]: Loop: 255#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 258#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 248#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 245#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 246#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 254#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 255#L22-3 [2022-12-13 13:18:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2022-12-13 13:18:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:26,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029588295] [2022-12-13 13:18:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:26,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:26,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1750294158, now seen corresponding path program 2 times [2022-12-13 13:18:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:26,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851753535] [2022-12-13 13:18:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:26,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:26,140 INFO L85 PathProgramCache]: Analyzing trace with hash -48611717, now seen corresponding path program 1 times [2022-12-13 13:18:26,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:26,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037111999] [2022-12-13 13:18:26,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:26,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 13:18:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:26,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:26,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037111999] [2022-12-13 13:18:26,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037111999] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:18:26,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646826800] [2022-12-13 13:18:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:26,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:26,307 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:26,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-12-13 13:18:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:26,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 13:18:26,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:26,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:26,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:18:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:26,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646826800] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:18:26,499 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:18:26,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2022-12-13 13:18:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378802949] [2022-12-13 13:18:26,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:18:26,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:26,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:18:26,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:18:26,623 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2022-12-13 13:18:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:26,690 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-12-13 13:18:26,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2022-12-13 13:18:26,691 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2022-12-13 13:18:26,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 48 transitions. [2022-12-13 13:18:26,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2022-12-13 13:18:26,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2022-12-13 13:18:26,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2022-12-13 13:18:26,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:18:26,692 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 48 transitions. [2022-12-13 13:18:26,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2022-12-13 13:18:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 24. [2022-12-13 13:18:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 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) [2022-12-13 13:18:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2022-12-13 13:18:26,695 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2022-12-13 13:18:26,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:18:26,696 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2022-12-13 13:18:26,696 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 13:18:26,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2022-12-13 13:18:26,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:26,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:26,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:26,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:26,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 13:18:26,697 INFO L748 eck$LassoCheckResult]: Stem: 410#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 401#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 393#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 394#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 406#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 411#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 402#L20-4 main_~j~0#1 := 1; 403#L22-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 397#L22-4 main_~k~0#1 := 1; 398#L32-3 [2022-12-13 13:18:26,698 INFO L750 eck$LassoCheckResult]: Loop: 398#L32-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem13#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem14#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem13#1 <= main_#t~mem14#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 405#L6 assume !(0 == __VERIFIER_assert_~cond#1); 388#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem13#1;havoc main_#t~mem14#1; 389#L32-2 main_#t~post12#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 398#L32-3 [2022-12-13 13:18:26,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:26,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243825, now seen corresponding path program 1 times [2022-12-13 13:18:26,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:26,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066931836] [2022-12-13 13:18:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:26,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:26,718 INFO L85 PathProgramCache]: Analyzing trace with hash 3085450, now seen corresponding path program 1 times [2022-12-13 13:18:26,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:26,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943980539] [2022-12-13 13:18:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:26,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:26,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:26,732 INFO L85 PathProgramCache]: Analyzing trace with hash -78994886, now seen corresponding path program 1 times [2022-12-13 13:18:26,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:26,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088350851] [2022-12-13 13:18:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:26,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:26,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088350851] [2022-12-13 13:18:26,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088350851] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:18:26,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317780042] [2022-12-13 13:18:26,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:26,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:26,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:26,882 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:26,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-12-13 13:18:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:26,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:18:26,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 13:18:26,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:18:26,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317780042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:26,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:18:26,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2022-12-13 13:18:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263292] [2022-12-13 13:18:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:27,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:27,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:18:27,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:18:27,041 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-12-13 13:18:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:27,086 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-12-13 13:18:27,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2022-12-13 13:18:27,087 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 17 [2022-12-13 13:18:27,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 30 states and 38 transitions. [2022-12-13 13:18:27,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-12-13 13:18:27,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-12-13 13:18:27,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2022-12-13 13:18:27,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:18:27,088 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 38 transitions. [2022-12-13 13:18:27,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2022-12-13 13:18:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 23. [2022-12-13 13:18:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 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) [2022-12-13 13:18:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2022-12-13 13:18:27,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-12-13 13:18:27,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:18:27,091 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-12-13 13:18:27,091 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 13:18:27,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2022-12-13 13:18:27,091 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:27,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:27,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:27,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:27,092 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 13:18:27,092 INFO L748 eck$LassoCheckResult]: Stem: 520#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 510#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 504#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 505#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 517#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 518#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 519#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 521#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 513#L20-4 main_~j~0#1 := 1; 514#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 515#L25-5 [2022-12-13 13:18:27,092 INFO L750 eck$LassoCheckResult]: Loop: 515#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 506#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 501#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 503#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 507#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 515#L25-5 [2022-12-13 13:18:27,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:27,093 INFO L85 PathProgramCache]: Analyzing trace with hash -873401203, now seen corresponding path program 1 times [2022-12-13 13:18:27,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:27,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374564868] [2022-12-13 13:18:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:27,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:27,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:27,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:27,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash 61175917, now seen corresponding path program 1 times [2022-12-13 13:18:27,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:27,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436669583] [2022-12-13 13:18:27,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:27,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:27,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:27,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:27,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:27,134 INFO L85 PathProgramCache]: Analyzing trace with hash 2064874337, now seen corresponding path program 1 times [2022-12-13 13:18:27,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:27,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123676033] [2022-12-13 13:18:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:27,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:27,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:27,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:27,632 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 13:18:27,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 13:18:27,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 13:18:27,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 13:18:27,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 13:18:27,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:27,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 13:18:27,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 13:18:27,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration6_Lasso [2022-12-13 13:18:27,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 13:18:27,633 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 13:18:27,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:27,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:27,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:27,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:27,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:27,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,148 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:28,666 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 13:18:28,666 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 13:18:28,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,667 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 13:18:28,669 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 [2022-12-13 13:18:28,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:28,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:28,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:28,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 13:18:28,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,685 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 13:18:28,687 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 [2022-12-13 13:18:28,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:28,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:28,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:28,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 13:18:28,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,702 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 13:18:28,704 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 [2022-12-13 13:18:28,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:28,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:28,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:28,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 13:18:28,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,719 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 13:18:28,721 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 [2022-12-13 13:18:28,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:28,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:28,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:28,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 13:18:28,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,736 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 13:18:28,738 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 [2022-12-13 13:18:28,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:28,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:28,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:28,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:28,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,753 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 13:18:28,755 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 [2022-12-13 13:18:28,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 13:18:28,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,772 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 13:18:28,774 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 [2022-12-13 13:18:28,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:28,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,792 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 13:18:28,794 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 [2022-12-13 13:18:28,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:28,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,813 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 13:18:28,815 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 [2022-12-13 13:18:28,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-12-13 13:18:28,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,846 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 13:18:28,848 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 [2022-12-13 13:18:28,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 13:18:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,870 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 13:18:28,872 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 [2022-12-13 13:18:28,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:28,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,891 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 13:18:28,893 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 [2022-12-13 13:18:28,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:28,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,911 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 13:18:28,913 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 [2022-12-13 13:18:28,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-12-13 13:18:28,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,932 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 13:18:28,934 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 [2022-12-13 13:18:28,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:28,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:28,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:28,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:28,951 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:28,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 13:18:28,953 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 [2022-12-13 13:18:28,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:28,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:28,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:28,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:28,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:28,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:28,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 13:18:29,007 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-12-13 13:18:29,007 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-12-13 13:18:29,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:29,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:29,008 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:29,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 13:18:29,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 13:18:29,020 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 13:18:29,020 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 13:18:29,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2) = 16*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2 Supporting invariants [] [2022-12-13 13:18:29,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 13:18:29,057 INFO L156 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2022-12-13 13:18:29,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:29,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:18:29,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:29,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:18:29,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:29,155 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 13:18:29,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-12-13 13:18:29,229 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) Result 76 states and 95 transitions. Complement of second has 11 states. [2022-12-13 13:18:29,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-12-13 13:18:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 39 transitions. [2022-12-13 13:18:29,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 10 letters. Loop has 5 letters. [2022-12-13 13:18:29,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:29,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 15 letters. Loop has 5 letters. [2022-12-13 13:18:29,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:29,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 10 letters. Loop has 10 letters. [2022-12-13 13:18:29,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:29,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 95 transitions. [2022-12-13 13:18:29,233 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 28 [2022-12-13 13:18:29,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 59 states and 76 transitions. [2022-12-13 13:18:29,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-12-13 13:18:29,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2022-12-13 13:18:29,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 76 transitions. [2022-12-13 13:18:29,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:29,235 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-12-13 13:18:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 76 transitions. [2022-12-13 13:18:29,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 40. [2022-12-13 13:18:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.35) internal successors, (54), 39 states have internal predecessors, (54), 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) [2022-12-13 13:18:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2022-12-13 13:18:29,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 54 transitions. [2022-12-13 13:18:29,239 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 54 transitions. [2022-12-13 13:18:29,239 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-12-13 13:18:29,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 54 transitions. [2022-12-13 13:18:29,239 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2022-12-13 13:18:29,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:29,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:29,240 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:29,240 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 13:18:29,240 INFO L748 eck$LassoCheckResult]: Stem: 767#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 752#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 738#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 739#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 763#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 764#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 765#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 766#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 753#L20-4 main_~j~0#1 := 1; 754#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 768#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 756#L25-1 [2022-12-13 13:18:29,240 INFO L750 eck$LassoCheckResult]: Loop: 756#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 769#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 744#L26 assume !(main_~i~0#1 < 2); 745#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 755#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 756#L25-1 [2022-12-13 13:18:29,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1305633483, now seen corresponding path program 1 times [2022-12-13 13:18:29,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332001085] [2022-12-13 13:18:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:29,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,264 INFO L85 PathProgramCache]: Analyzing trace with hash 64189719, now seen corresponding path program 1 times [2022-12-13 13:18:29,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179576030] [2022-12-13 13:18:29,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:29,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,271 INFO L85 PathProgramCache]: Analyzing trace with hash -413403037, now seen corresponding path program 1 times [2022-12-13 13:18:29,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603348067] [2022-12-13 13:18:29,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:29,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-12-13 13:18:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 13:18:29,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:29,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603348067] [2022-12-13 13:18:29,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603348067] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:29,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:29,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:18:29,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346519537] [2022-12-13 13:18:29,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:29,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:29,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:18:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:18:29,366 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2022-12-13 13:18:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:29,398 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2022-12-13 13:18:29,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. [2022-12-13 13:18:29,399 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2022-12-13 13:18:29,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 47 states and 58 transitions. [2022-12-13 13:18:29,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2022-12-13 13:18:29,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2022-12-13 13:18:29,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 58 transitions. [2022-12-13 13:18:29,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:29,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 58 transitions. [2022-12-13 13:18:29,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 58 transitions. [2022-12-13 13:18:29,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2022-12-13 13:18:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 38 states have internal predecessors, (49), 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) [2022-12-13 13:18:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2022-12-13 13:18:29,404 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-12-13 13:18:29,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:18:29,405 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-12-13 13:18:29,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-12-13 13:18:29,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 49 transitions. [2022-12-13 13:18:29,405 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 17 [2022-12-13 13:18:29,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:29,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:29,405 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:29,405 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 13:18:29,405 INFO L748 eck$LassoCheckResult]: Stem: 859#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 847#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 836#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 837#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 856#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 857#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 858#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 862#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 850#L20-4 main_~j~0#1 := 1; 851#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 861#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 838#L25-1 [2022-12-13 13:18:29,406 INFO L750 eck$LassoCheckResult]: Loop: 838#L25-1 assume !main_#t~short10#1; 839#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 842#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 843#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 852#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 838#L25-1 [2022-12-13 13:18:29,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1305633483, now seen corresponding path program 2 times [2022-12-13 13:18:29,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940699335] [2022-12-13 13:18:29,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:29,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,420 INFO L85 PathProgramCache]: Analyzing trace with hash 66034839, now seen corresponding path program 1 times [2022-12-13 13:18:29,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689914012] [2022-12-13 13:18:29,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:29,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:29,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689914012] [2022-12-13 13:18:29,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689914012] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:29,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:29,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:18:29,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449965794] [2022-12-13 13:18:29,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:29,428 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 13:18:29,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:29,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:18:29,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:18:29,429 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-13 13:18:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:29,436 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-12-13 13:18:29,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2022-12-13 13:18:29,437 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-12-13 13:18:29,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 33 states and 41 transitions. [2022-12-13 13:18:29,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-12-13 13:18:29,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-12-13 13:18:29,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2022-12-13 13:18:29,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:29,437 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 41 transitions. [2022-12-13 13:18:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2022-12-13 13:18:29,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2022-12-13 13:18:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 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) [2022-12-13 13:18:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2022-12-13 13:18:29,440 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-12-13 13:18:29,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:18:29,440 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-12-13 13:18:29,440 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-12-13 13:18:29,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2022-12-13 13:18:29,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-12-13 13:18:29,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:29,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:29,441 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:29,441 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:18:29,441 INFO L748 eck$LassoCheckResult]: Stem: 936#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 924#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 917#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 918#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 933#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 934#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 935#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 939#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 930#L20-4 main_~j~0#1 := 1; 931#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 937#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 915#L25-1 assume !main_#t~short10#1; 911#L25-3 [2022-12-13 13:18:29,441 INFO L750 eck$LassoCheckResult]: Loop: 911#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 912#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 925#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 926#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 927#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 928#L25-1 assume !main_#t~short10#1; 911#L25-3 [2022-12-13 13:18:29,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1819932270, now seen corresponding path program 1 times [2022-12-13 13:18:29,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566742168] [2022-12-13 13:18:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 13:18:29,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566742168] [2022-12-13 13:18:29,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566742168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:18:29,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:18:29,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:18:29,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744795648] [2022-12-13 13:18:29,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:18:29,476 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 13:18:29,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2122936106, now seen corresponding path program 1 times [2022-12-13 13:18:29,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135488838] [2022-12-13 13:18:29,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:29,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:29,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:18:29,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:18:29,596 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:29,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:29,637 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2022-12-13 13:18:29,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 58 transitions. [2022-12-13 13:18:29,638 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2022-12-13 13:18:29,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 58 transitions. [2022-12-13 13:18:29,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2022-12-13 13:18:29,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2022-12-13 13:18:29,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 58 transitions. [2022-12-13 13:18:29,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:29,639 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 58 transitions. [2022-12-13 13:18:29,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 58 transitions. [2022-12-13 13:18:29,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2022-12-13 13:18:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.25) internal successors, (40), 31 states have internal predecessors, (40), 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) [2022-12-13 13:18:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2022-12-13 13:18:29,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 40 transitions. [2022-12-13 13:18:29,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:18:29,643 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2022-12-13 13:18:29,643 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-12-13 13:18:29,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. [2022-12-13 13:18:29,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-12-13 13:18:29,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:29,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:29,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:29,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:18:29,644 INFO L748 eck$LassoCheckResult]: Stem: 1030#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1016#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1007#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1008#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1026#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1027#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1028#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1029#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1019#L20-4 main_~j~0#1 := 1; 1020#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1021#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1009#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1003#L25-3 [2022-12-13 13:18:29,644 INFO L750 eck$LassoCheckResult]: Loop: 1003#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1004#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1017#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1018#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1025#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1032#L25-1 assume !main_#t~short10#1; 1003#L25-3 [2022-12-13 13:18:29,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1819932272, now seen corresponding path program 1 times [2022-12-13 13:18:29,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001183050] [2022-12-13 13:18:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:29,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2122936106, now seen corresponding path program 2 times [2022-12-13 13:18:29,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784787062] [2022-12-13 13:18:29,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:29,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:29,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2100097829, now seen corresponding path program 1 times [2022-12-13 13:18:29,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:29,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048116999] [2022-12-13 13:18:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 13:18:29,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:29,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048116999] [2022-12-13 13:18:29,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048116999] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:18:29,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149487869] [2022-12-13 13:18:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:29,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:29,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:29,751 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:29,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-12-13 13:18:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:29,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 13:18:29,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 13:18:29,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:18:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 13:18:29,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149487869] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:18:29,843 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:18:29,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-12-13 13:18:29,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043352747] [2022-12-13 13:18:29,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:18:29,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:29,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:18:29,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:18:29,958 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. cyclomatic complexity: 12 Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 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) [2022-12-13 13:18:30,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:30,070 INFO L93 Difference]: Finished difference Result 69 states and 83 transitions. [2022-12-13 13:18:30,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 83 transitions. [2022-12-13 13:18:30,070 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 37 [2022-12-13 13:18:30,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 83 transitions. [2022-12-13 13:18:30,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2022-12-13 13:18:30,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 55 [2022-12-13 13:18:30,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 83 transitions. [2022-12-13 13:18:30,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:30,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 83 transitions. [2022-12-13 13:18:30,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 83 transitions. [2022-12-13 13:18:30,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 39. [2022-12-13 13:18:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 38 states have internal predecessors, (49), 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) [2022-12-13 13:18:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2022-12-13 13:18:30,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-12-13 13:18:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:18:30,075 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-12-13 13:18:30,075 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-12-13 13:18:30,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 49 transitions. [2022-12-13 13:18:30,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2022-12-13 13:18:30,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:30,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:30,076 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:30,076 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 13:18:30,076 INFO L748 eck$LassoCheckResult]: Stem: 1260#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1248#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1238#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1239#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1257#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1258#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1259#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1261#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1249#L20-4 main_~j~0#1 := 1; 1250#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1262#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1236#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1232#L25-3 [2022-12-13 13:18:30,076 INFO L750 eck$LassoCheckResult]: Loop: 1232#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1233#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1246#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1247#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1251#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1252#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1268#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1267#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 1242#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 1256#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1264#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1263#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1240#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 1241#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 1266#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1265#L25-1 assume !main_#t~short10#1; 1232#L25-3 [2022-12-13 13:18:30,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:30,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1819932272, now seen corresponding path program 2 times [2022-12-13 13:18:30,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:30,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471153161] [2022-12-13 13:18:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:30,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:30,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:30,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:30,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:30,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1213640618, now seen corresponding path program 1 times [2022-12-13 13:18:30,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:30,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569195043] [2022-12-13 13:18:30,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:30,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:30,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:30,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:30,116 INFO L85 PathProgramCache]: Analyzing trace with hash -2032116763, now seen corresponding path program 1 times [2022-12-13 13:18:30,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:30,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333820891] [2022-12-13 13:18:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:18:30,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:30,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333820891] [2022-12-13 13:18:30,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333820891] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:18:30,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28773697] [2022-12-13 13:18:30,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:30,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:30,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:30,273 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:30,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-12-13 13:18:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:30,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:18:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:18:30,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:18:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:18:30,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28773697] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:18:30,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:18:30,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-12-13 13:18:30,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454997746] [2022-12-13 13:18:30,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:18:30,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:30,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 13:18:30,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-12-13 13:18:30,925 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. cyclomatic complexity: 14 Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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) [2022-12-13 13:18:31,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:31,026 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2022-12-13 13:18:31,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 100 transitions. [2022-12-13 13:18:31,027 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 32 [2022-12-13 13:18:31,027 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 100 transitions. [2022-12-13 13:18:31,027 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-12-13 13:18:31,027 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2022-12-13 13:18:31,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 100 transitions. [2022-12-13 13:18:31,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:31,027 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 100 transitions. [2022-12-13 13:18:31,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 100 transitions. [2022-12-13 13:18:31,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 55. [2022-12-13 13:18:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 54 states have internal predecessors, (69), 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) [2022-12-13 13:18:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-12-13 13:18:31,030 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-12-13 13:18:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:18:31,031 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-12-13 13:18:31,031 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-12-13 13:18:31,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 69 transitions. [2022-12-13 13:18:31,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2022-12-13 13:18:31,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:31,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:31,032 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:31,032 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 13:18:31,033 INFO L748 eck$LassoCheckResult]: Stem: 1561#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1546#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1535#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1536#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1558#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1559#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1560#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1564#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1566#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1567#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1549#L20-4 main_~j~0#1 := 1; 1550#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1569#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1570#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1531#L25-3 [2022-12-13 13:18:31,033 INFO L750 eck$LassoCheckResult]: Loop: 1531#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1532#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1547#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1548#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1551#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1537#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1538#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1571#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 1542#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 1556#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1583#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1581#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1540#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 1541#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 1582#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1580#L25-1 assume !main_#t~short10#1; 1531#L25-3 [2022-12-13 13:18:31,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:31,033 INFO L85 PathProgramCache]: Analyzing trace with hash 742096622, now seen corresponding path program 3 times [2022-12-13 13:18:31,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:31,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500387132] [2022-12-13 13:18:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:31,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:31,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:31,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:31,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1213640618, now seen corresponding path program 2 times [2022-12-13 13:18:31,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:31,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196648470] [2022-12-13 13:18:31,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:31,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:31,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:31,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:31,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:31,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1449874755, now seen corresponding path program 2 times [2022-12-13 13:18:31,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:31,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728230765] [2022-12-13 13:18:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:31,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:31,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:31,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:32,512 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 13:18:32,513 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 13:18:32,513 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 13:18:32,513 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 13:18:32,513 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 13:18:32,513 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:32,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 13:18:32,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 13:18:32,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration12_Lasso [2022-12-13 13:18:32,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 13:18:32,513 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 13:18:32,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:32,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:35,141 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:35,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:35,144 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:35,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 13:18:35,687 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 13:18:35,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,688 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-12-13 13:18:35,690 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 [2022-12-13 13:18:35,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:35,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,705 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-12-13 13:18:35,707 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 [2022-12-13 13:18:35,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-12-13 13:18:35,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,720 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-12-13 13:18:35,723 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 [2022-12-13 13:18:35,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:35,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:35,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:35,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,739 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-12-13 13:18:35,742 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 [2022-12-13 13:18:35,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-12-13 13:18:35,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,756 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-12-13 13:18:35,758 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 [2022-12-13 13:18:35,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:35,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,773 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-12-13 13:18:35,775 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 [2022-12-13 13:18:35,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:35,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,789 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-12-13 13:18:35,791 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 [2022-12-13 13:18:35,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:35,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,807 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-12-13 13:18:35,809 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 [2022-12-13 13:18:35,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-12-13 13:18:35,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,824 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-12-13 13:18:35,826 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 [2022-12-13 13:18:35,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-12-13 13:18:35,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,841 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-12-13 13:18:35,843 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 [2022-12-13 13:18:35,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:35,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:35,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:35,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:35,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,858 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-12-13 13:18:35,864 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 [2022-12-13 13:18:35,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:35,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:35,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-12-13 13:18:35,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,883 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-12-13 13:18:35,885 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 [2022-12-13 13:18:35,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:35,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:35,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-12-13 13:18:35,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,901 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-12-13 13:18:35,904 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 [2022-12-13 13:18:35,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:35,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:35,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-12-13 13:18:35,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,923 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-12-13 13:18:35,926 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 [2022-12-13 13:18:35,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:35,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:35,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:35,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:35,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:35,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:35,943 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:35,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-12-13 13:18:35,945 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 [2022-12-13 13:18:35,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:35,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:35,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:35,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:35,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:35,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:35,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 13:18:36,004 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-12-13 13:18:36,004 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-12-13 13:18:36,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:36,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:36,005 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:36,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-12-13 13:18:36,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 13:18:36,018 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 13:18:36,018 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 13:18:36,018 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_3, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_3 - 8*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-12-13 13:18:36,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:36,143 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2022-12-13 13:18:36,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:36,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:18:36,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:36,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:18:36,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 13:18:36,280 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-12-13 13:18:36,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 19 Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2022-12-13 13:18:36,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 69 transitions. cyclomatic complexity: 19. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 130 states and 164 transitions. Complement of second has 10 states. [2022-12-13 13:18:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2022-12-13 13:18:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 49 transitions. [2022-12-13 13:18:36,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 49 transitions. Stem has 14 letters. Loop has 16 letters. [2022-12-13 13:18:36,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:36,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 49 transitions. Stem has 30 letters. Loop has 16 letters. [2022-12-13 13:18:36,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:36,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 49 transitions. Stem has 14 letters. Loop has 32 letters. [2022-12-13 13:18:36,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:36,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 164 transitions. [2022-12-13 13:18:36,364 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 31 [2022-12-13 13:18:36,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 115 states and 144 transitions. [2022-12-13 13:18:36,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2022-12-13 13:18:36,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2022-12-13 13:18:36,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 144 transitions. [2022-12-13 13:18:36,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:36,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 115 states and 144 transitions. [2022-12-13 13:18:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 144 transitions. [2022-12-13 13:18:36,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 81. [2022-12-13 13:18:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 1.2839506172839505) internal successors, (104), 80 states have internal predecessors, (104), 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) [2022-12-13 13:18:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2022-12-13 13:18:36,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 81 states and 104 transitions. [2022-12-13 13:18:36,370 INFO L428 stractBuchiCegarLoop]: Abstraction has 81 states and 104 transitions. [2022-12-13 13:18:36,370 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-12-13 13:18:36,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 104 transitions. [2022-12-13 13:18:36,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2022-12-13 13:18:36,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:36,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:36,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:36,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:18:36,371 INFO L748 eck$LassoCheckResult]: Stem: 1952#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1939#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1926#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1927#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1947#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1948#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1949#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1957#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1950#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1951#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1943#L20-4 main_~j~0#1 := 1; 1944#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1961#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1960#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1959#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1919#L25-6 [2022-12-13 13:18:36,371 INFO L750 eck$LassoCheckResult]: Loop: 1919#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1935#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1936#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1980#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1979#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1978#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1919#L25-6 [2022-12-13 13:18:36,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:36,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1530158845, now seen corresponding path program 1 times [2022-12-13 13:18:36,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:36,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233042916] [2022-12-13 13:18:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:36,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:36,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:36,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:36,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1749769138, now seen corresponding path program 3 times [2022-12-13 13:18:36,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:36,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784741416] [2022-12-13 13:18:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:36,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:36,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:36,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:36,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:36,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1481430602, now seen corresponding path program 2 times [2022-12-13 13:18:36,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:36,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454532926] [2022-12-13 13:18:36,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:36,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:36,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:36,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:36,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-12-13 13:18:37,322 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 13:18:37,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 13:18:37,322 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 13:18:37,322 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 13:18:37,323 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 13:18:37,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:37,323 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 13:18:37,323 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 13:18:37,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration13_Lasso [2022-12-13 13:18:37,323 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 13:18:37,323 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 13:18:37,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:37,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:38,242 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 13:18:38,242 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 13:18:38,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:38,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:38,243 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:38,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-12-13 13:18:38,245 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 [2022-12-13 13:18:38,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:38,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:38,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:38,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:38,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:38,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:38,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:38,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:38,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-12-13 13:18:38,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:38,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:38,260 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:38,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-12-13 13:18:38,262 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 [2022-12-13 13:18:38,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:38,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:38,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:38,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:38,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:38,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:38,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:38,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:38,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-12-13 13:18:38,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:38,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:38,276 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:38,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-12-13 13:18:38,279 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 [2022-12-13 13:18:38,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:38,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:38,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:38,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:38,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:38,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:38,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:38,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:38,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-12-13 13:18:38,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:38,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:38,293 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:38,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-12-13 13:18:38,295 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 [2022-12-13 13:18:38,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:38,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:38,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:38,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:38,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:38,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:38,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:38,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-12-13 13:18:38,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:38,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:38,312 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:38,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-12-13 13:18:38,314 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 [2022-12-13 13:18:38,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:38,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:38,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:38,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:38,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:38,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:38,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 13:18:38,367 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-12-13 13:18:38,367 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-12-13 13:18:38,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:38,368 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:38,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-12-13 13:18:38,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 13:18:38,381 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 13:18:38,381 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 13:18:38,381 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4) = -4*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4 Supporting invariants [] [2022-12-13 13:18:38,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-12-13 13:18:38,441 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2022-12-13 13:18:38,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:38,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:18:38,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:38,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:18:38,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:38,537 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 13:18:38,537 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 81 states and 104 transitions. cyclomatic complexity: 30 Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:38,578 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 81 states and 104 transitions. cyclomatic complexity: 30. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 162 transitions. Complement of second has 7 states. [2022-12-13 13:18:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:18:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-12-13 13:18:38,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 15 letters. Loop has 6 letters. [2022-12-13 13:18:38,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:38,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 21 letters. Loop has 6 letters. [2022-12-13 13:18:38,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:38,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 15 letters. Loop has 12 letters. [2022-12-13 13:18:38,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:38,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 162 transitions. [2022-12-13 13:18:38,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:38,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 106 states and 135 transitions. [2022-12-13 13:18:38,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2022-12-13 13:18:38,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2022-12-13 13:18:38,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 135 transitions. [2022-12-13 13:18:38,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:38,582 INFO L218 hiAutomatonCegarLoop]: Abstraction has 106 states and 135 transitions. [2022-12-13 13:18:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 135 transitions. [2022-12-13 13:18:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2022-12-13 13:18:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 97 states have internal predecessors, (127), 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) [2022-12-13 13:18:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2022-12-13 13:18:38,586 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 127 transitions. [2022-12-13 13:18:38,587 INFO L428 stractBuchiCegarLoop]: Abstraction has 98 states and 127 transitions. [2022-12-13 13:18:38,587 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-12-13 13:18:38,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 127 transitions. [2022-12-13 13:18:38,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-12-13 13:18:38,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:38,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:38,588 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:38,588 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 13:18:38,588 INFO L748 eck$LassoCheckResult]: Stem: 2327#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 2310#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2297#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 2298#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2324#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2325#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2326#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2342#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 2315#L20-4 main_~j~0#1 := 1; 2316#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 2328#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2299#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2300#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2320#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 2311#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 2312#L22-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 2308#L22-4 main_~k~0#1 := 1; 2309#L32-3 [2022-12-13 13:18:38,588 INFO L750 eck$LassoCheckResult]: Loop: 2309#L32-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem13#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem14#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem13#1 <= main_#t~mem14#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2322#L6 assume !(0 == __VERIFIER_assert_~cond#1); 2291#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem13#1;havoc main_#t~mem14#1; 2292#L32-2 main_#t~post12#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2309#L32-3 [2022-12-13 13:18:38,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:38,588 INFO L85 PathProgramCache]: Analyzing trace with hash 67745056, now seen corresponding path program 1 times [2022-12-13 13:18:38,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:38,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133721590] [2022-12-13 13:18:38,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:38,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:38,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash 3085450, now seen corresponding path program 2 times [2022-12-13 13:18:38,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:38,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358378751] [2022-12-13 13:18:38,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:38,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:38,609 INFO L85 PathProgramCache]: Analyzing trace with hash -804576727, now seen corresponding path program 1 times [2022-12-13 13:18:38,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:38,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638271651] [2022-12-13 13:18:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:38,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:38,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-12-13 13:18:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:38,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:39,495 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 13:18:39,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 13:18:39,496 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 13:18:39,496 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 13:18:39,496 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 13:18:39,496 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:39,496 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 13:18:39,496 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 13:18:39,496 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration14_Lasso [2022-12-13 13:18:39,496 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 13:18:39,496 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 13:18:39,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:39,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:40,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:40,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:40,733 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:40,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:40,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:40,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:41,115 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 13:18:41,115 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 13:18:41,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,116 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-12-13 13:18:41,118 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 [2022-12-13 13:18:41,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:41,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,133 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-12-13 13:18:41,136 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 [2022-12-13 13:18:41,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-12-13 13:18:41,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,152 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-12-13 13:18:41,154 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 [2022-12-13 13:18:41,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-12-13 13:18:41,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,169 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-12-13 13:18:41,172 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 [2022-12-13 13:18:41,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-12-13 13:18:41,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,187 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-12-13 13:18:41,188 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 [2022-12-13 13:18:41,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:41,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:41,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-12-13 13:18:41,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,205 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-12-13 13:18:41,207 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 [2022-12-13 13:18:41,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-12-13 13:18:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,222 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-12-13 13:18:41,224 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 [2022-12-13 13:18:41,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:41,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,239 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-12-13 13:18:41,240 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 [2022-12-13 13:18:41,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-12-13 13:18:41,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,256 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-12-13 13:18:41,258 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 [2022-12-13 13:18:41,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:41,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:41,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:41,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:41,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,273 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-12-13 13:18:41,275 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 [2022-12-13 13:18:41,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:41,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:41,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:41,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-12-13 13:18:41,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,298 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-12-13 13:18:41,300 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 [2022-12-13 13:18:41,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:41,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:41,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:41,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:41,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:41,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:41,330 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 13:18:41,353 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-12-13 13:18:41,353 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-12-13 13:18:41,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:41,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,354 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-12-13 13:18:41,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 13:18:41,368 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 13:18:41,368 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 13:18:41,368 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_5, ULTIMATE.start_main_~k~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_5 - 4*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-12-13 13:18:41,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-12-13 13:18:41,432 INFO L156 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2022-12-13 13:18:41,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:41,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:18:41,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:41,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-12-13 13:18:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:41,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:18:41,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:41,515 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-12-13 13:18:41,515 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 98 states and 127 transitions. cyclomatic complexity: 37 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-12-13 13:18:41,537 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 98 states and 127 transitions. cyclomatic complexity: 37. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 102 states and 132 transitions. Complement of second has 5 states. [2022-12-13 13:18:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-12-13 13:18:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-12-13 13:18:41,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2022-12-13 13:18:41,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:41,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 21 letters. Loop has 4 letters. [2022-12-13 13:18:41,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:41,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 8 letters. [2022-12-13 13:18:41,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:41,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 132 transitions. [2022-12-13 13:18:41,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-12-13 13:18:41,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 79 states and 100 transitions. [2022-12-13 13:18:41,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-12-13 13:18:41,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-12-13 13:18:41,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 100 transitions. [2022-12-13 13:18:41,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:41,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 100 transitions. [2022-12-13 13:18:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 100 transitions. [2022-12-13 13:18:41,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2022-12-13 13:18:41,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 75 states have internal predecessors, (97), 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) [2022-12-13 13:18:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-12-13 13:18:41,544 INFO L240 hiAutomatonCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-12-13 13:18:41,544 INFO L428 stractBuchiCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-12-13 13:18:41,544 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-12-13 13:18:41,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 97 transitions. [2022-12-13 13:18:41,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 13:18:41,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:41,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:41,545 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:41,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 13:18:41,545 INFO L748 eck$LassoCheckResult]: Stem: 2681#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 2668#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2660#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 2661#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2677#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2678#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2679#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2680#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2686#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2685#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 2671#L20-4 main_~j~0#1 := 1; 2672#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 2682#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2688#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2689#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2673#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 2666#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 2667#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 2702#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2701#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2699#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2662#L26 assume !(main_~i~0#1 < 2); 2663#L26-2 [2022-12-13 13:18:41,545 INFO L750 eck$LassoCheckResult]: Loop: 2663#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 2676#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2700#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2698#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2697#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 2663#L26-2 [2022-12-13 13:18:41,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:41,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1320291482, now seen corresponding path program 1 times [2022-12-13 13:18:41,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:41,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751973943] [2022-12-13 13:18:41,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:41,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:18:41,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:18:41,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751973943] [2022-12-13 13:18:41,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751973943] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:18:41,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898565253] [2022-12-13 13:18:41,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:41,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:18:41,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:41,588 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:18:41,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2022-12-13 13:18:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:41,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:18:41,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:18:41,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:18:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:18:41,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898565253] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:18:41,675 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:18:41,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-12-13 13:18:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717394791] [2022-12-13 13:18:41,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:18:41,676 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 13:18:41,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash 77702137, now seen corresponding path program 2 times [2022-12-13 13:18:41,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:41,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557117872] [2022-12-13 13:18:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:41,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:41,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:18:41,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:18:41,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:18:41,759 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. cyclomatic complexity: 27 Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-12-13 13:18:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:18:41,816 INFO L93 Difference]: Finished difference Result 140 states and 170 transitions. [2022-12-13 13:18:41,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 170 transitions. [2022-12-13 13:18:41,818 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-12-13 13:18:41,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 136 states and 166 transitions. [2022-12-13 13:18:41,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2022-12-13 13:18:41,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2022-12-13 13:18:41,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 166 transitions. [2022-12-13 13:18:41,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 13:18:41,819 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 166 transitions. [2022-12-13 13:18:41,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 166 transitions. [2022-12-13 13:18:41,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 97. [2022-12-13 13:18:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.2577319587628866) internal successors, (122), 96 states have internal predecessors, (122), 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) [2022-12-13 13:18:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2022-12-13 13:18:41,824 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 122 transitions. [2022-12-13 13:18:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:18:41,825 INFO L428 stractBuchiCegarLoop]: Abstraction has 97 states and 122 transitions. [2022-12-13 13:18:41,825 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-12-13 13:18:41,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 122 transitions. [2022-12-13 13:18:41,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-12-13 13:18:41,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:18:41,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:18:41,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:18:41,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 13:18:41,826 INFO L748 eck$LassoCheckResult]: Stem: 3038#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 3020#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3011#L15 assume !(main_~SIZE~0#1 % 4294967296 >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 3012#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3034#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3035#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3036#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3037#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3043#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3042#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 3023#L20-4 main_~j~0#1 := 1; 3024#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 3039#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3045#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3046#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 3084#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 3089#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 3067#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 3068#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3059#L25-1 [2022-12-13 13:18:41,827 INFO L750 eck$LassoCheckResult]: Loop: 3059#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3057#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 3054#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 3055#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 3063#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3059#L25-1 [2022-12-13 13:18:41,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:41,827 INFO L85 PathProgramCache]: Analyzing trace with hash -606279004, now seen corresponding path program 3 times [2022-12-13 13:18:41,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:41,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743908956] [2022-12-13 13:18:41,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:41,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:41,850 INFO L85 PathProgramCache]: Analyzing trace with hash 64187797, now seen corresponding path program 3 times [2022-12-13 13:18:41,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:41,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210781172] [2022-12-13 13:18:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:41,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:41,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:41,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1784762158, now seen corresponding path program 1 times [2022-12-13 13:18:41,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:18:41,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603459142] [2022-12-13 13:18:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:18:41,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:18:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:18:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:18:41,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:18:43,990 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 13:18:43,990 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 13:18:43,990 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 13:18:43,990 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 13:18:43,990 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 13:18:43,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:43,991 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 13:18:43,991 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 13:18:43,991 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration16_Lasso [2022-12-13 13:18:43,991 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 13:18:43,991 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 13:18:43,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:43,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:43,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:43,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:44,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 13:18:45,209 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 13:18:45,209 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 13:18:45,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,210 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-12-13 13:18:45,213 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 [2022-12-13 13:18:45,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:45,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:45,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:45,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:45,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-12-13 13:18:45,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,230 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-12-13 13:18:45,232 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 [2022-12-13 13:18:45,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:45,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:45,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:45,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:45,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:45,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-12-13 13:18:45,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,247 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-12-13 13:18:45,249 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 [2022-12-13 13:18:45,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 13:18:45,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:45,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 13:18:45,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 13:18:45,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:45,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-12-13 13:18:45,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,263 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-12-13 13:18:45,266 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 [2022-12-13 13:18:45,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:45,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:45,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:45,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:45,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:45,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,283 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-12-13 13:18:45,285 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 [2022-12-13 13:18:45,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:45,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:45,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:45,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:45,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:45,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,303 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-12-13 13:18:45,305 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 [2022-12-13 13:18:45,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:45,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:45,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:45,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:45,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-12-13 13:18:45,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,323 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-12-13 13:18:45,326 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 [2022-12-13 13:18:45,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 13:18:45,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 13:18:45,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 13:18:45,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 13:18:45,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-12-13 13:18:45,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,343 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-12-13 13:18:45,344 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 [2022-12-13 13:18:45,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 13:18:45,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 13:18:45,355 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 13:18:45,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 13:18:45,366 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 13:18:45,366 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 13:18:45,401 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 13:18:45,458 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-12-13 13:18:45,458 INFO L444 ModelExtractionUtils]: 18 out of 36 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-12-13 13:18:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:18:45,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:18:45,460 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:18:45,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-12-13 13:18:45,462 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 13:18:45,473 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-12-13 13:18:45,473 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 13:18:45,473 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2022-12-13 13:18:45,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-12-13 13:18:45,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-12-13 13:18:45,547 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-12-13 13:18:45,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:45,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:18:45,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:45,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:18:45,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:45,638 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 13:18:45,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 122 transitions. cyclomatic complexity: 32 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-13 13:18:45,669 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 122 transitions. cyclomatic complexity: 32. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 133 states and 162 transitions. Complement of second has 8 states. [2022-12-13 13:18:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-13 13:18:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-12-13 13:18:45,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 5 letters. [2022-12-13 13:18:45,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:45,671 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 13:18:45,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:45,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:18:45,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:45,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:18:45,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:45,762 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 13:18:45,762 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 122 transitions. cyclomatic complexity: 32 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-13 13:18:45,795 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 122 transitions. cyclomatic complexity: 32. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 131 states and 160 transitions. Complement of second has 10 states. [2022-12-13 13:18:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-13 13:18:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2022-12-13 13:18:45,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 19 letters. Loop has 5 letters. [2022-12-13 13:18:45,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:45,796 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 13:18:45,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:18:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:45,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:18:45,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:18:45,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 13:18:45,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:18:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:18:45,892 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-12-13 13:18:45,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 122 transitions. cyclomatic complexity: 32 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-13 13:18:45,927 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 122 transitions. cyclomatic complexity: 32. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 205 states and 252 transitions. Complement of second has 9 states. [2022-12-13 13:18:45,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 13:18:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-13 13:18:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-12-13 13:18:45,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 19 letters. Loop has 5 letters. [2022-12-13 13:18:45,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:45,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 24 letters. Loop has 5 letters. [2022-12-13 13:18:45,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:45,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 19 letters. Loop has 10 letters. [2022-12-13 13:18:45,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 13:18:45,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 252 transitions. [2022-12-13 13:18:45,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 13:18:45,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 0 states and 0 transitions. [2022-12-13 13:18:45,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 13:18:45,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 13:18:45,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 13:18:45,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:18:45,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 13:18:45,932 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 13:18:45,932 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 13:18:45,932 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-12-13 13:18:45,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 13:18:45,932 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 13:18:45,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 13:18:45,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 01:18:45 BoogieIcfgContainer [2022-12-13 13:18:45,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 13:18:45,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:18:45,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:18:45,937 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:18:45,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:18:23" (3/4) ... [2022-12-13 13:18:45,939 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:18:45,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:18:45,940 INFO L158 Benchmark]: Toolchain (without parser) took 22694.85ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 102.0MB in the beginning and 63.4MB in the end (delta: 38.6MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,940 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 103.5MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:18:45,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.68ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 91.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.35ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,940 INFO L158 Benchmark]: Boogie Preprocessor took 20.86ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:18:45,941 INFO L158 Benchmark]: RCFGBuilder took 259.44ms. Allocated memory is still 136.3MB. Free memory was 88.5MB in the beginning and 76.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,941 INFO L158 Benchmark]: BuchiAutomizer took 22175.71ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 76.0MB in the beginning and 63.4MB in the end (delta: 12.5MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-12-13 13:18:45,941 INFO L158 Benchmark]: Witness Printer took 2.28ms. Allocated memory is still 172.0MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:18:45,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 103.5MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.68ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 91.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.35ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.86ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.44ms. Allocated memory is still 136.3MB. Free memory was 88.5MB in the beginning and 76.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 22175.71ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 76.0MB in the beginning and 63.4MB in the end (delta: 12.5MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 2.28ms. Allocated memory is still 172.0MB. Free memory is still 63.4MB. 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 16 terminating modules (10 trivial, 5 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * v + -4 * j + unknown-#length-unknown[v] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[v] + 16 * i and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[v] + -8 * j and consists of 6 locations. One deterministic module has affine ranking function -4 * j + unknown-#length-unknown[v] and consists of 5 locations. One deterministic module has affine ranking function -4 * k + unknown-#length-unknown[v] and consists of 4 locations. One nondeterministic module has affine ranking function 2 * i + 1 and consists of 5 locations. 10 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.1s and 17 iterations. TraceHistogramMax:3. Analysis of lassos took 20.2s. Construction of modules took 0.4s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 10. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 207 StatesRemovedByMinimization, 13 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 [5, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 5/11 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 679 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 676 mSDsluCounter, 884 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 565 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 674 IncrementalHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 319 mSDtfsCounter, 674 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc6 concLT0 SILN0 SILU2 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital248 mio100 ax100 hnf100 lsp96 ukn81 mio100 lsp41 div276 bol100 ite100 ukn100 eq150 hnf95 smp54 dnf106 smp97 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 131ms VariablesStem: 12 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 13:18:45,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2022-12-13 13:18:46,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2022-12-13 13:18:46,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2022-12-13 13:18:46,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-12-13 13:18:46,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2022-12-13 13:18:46,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01bfe1db-c198-49b9-a7b4-78de9474167d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE