./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sep05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sep05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:45:12,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:45:12,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:45:12,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:45:12,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:45:12,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:45:12,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:45:12,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:45:12,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:45:12,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:45:12,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:45:12,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:45:12,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:45:12,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:45:12,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:45:12,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:45:12,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:45:12,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:45:12,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:45:12,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:45:12,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:45:12,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:45:12,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:45:12,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:45:12,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:45:12,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:45:12,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:45:12,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:45:12,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:45:12,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:45:12,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:45:12,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:45:12,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:45:12,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:45:12,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:45:12,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:45:12,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:45:12,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:45:12,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:45:12,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:45:12,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:45:12,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:45:12,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:45:12,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:45:12,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:45:12,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:45:12,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:45:12,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:45:12,390 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:45:12,390 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:45:12,390 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:45:12,391 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:45:12,392 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:45:12,392 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:45:12,392 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:45:12,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:45:12,393 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:45:12,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:45:12,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:45:12,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:45:12,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:45:12,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:45:12,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:45:12,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:45:12,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:45:12,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:45:12,395 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:45:12,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:45:12,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:45:12,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:45:12,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:45:12,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:45:12,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:45:12,398 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:45:12,398 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_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2022-11-21 16:45:12,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:45:12,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:45:12,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:45:12,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:45:12,679 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:45:12,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/reducercommutativity/sep05-1.i [2022-11-21 16:45:15,793 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:45:16,052 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:45:16,053 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/sv-benchmarks/c/reducercommutativity/sep05-1.i [2022-11-21 16:45:16,059 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/data/1c216d248/1614d38562194bd79e134b7f93021df7/FLAG2b015285f [2022-11-21 16:45:16,079 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/data/1c216d248/1614d38562194bd79e134b7f93021df7 [2022-11-21 16:45:16,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:45:16,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:45:16,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:45:16,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:45:16,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:45:16,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578039ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16, skipping insertion in model container [2022-11-21 16:45:16,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:45:16,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:45:16,273 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_178736b3-8a81-4c97-9d19-8256c7be9dfc/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2022-11-21 16:45:16,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:45:16,285 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:45:16,305 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_178736b3-8a81-4c97-9d19-8256c7be9dfc/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2022-11-21 16:45:16,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:45:16,319 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:45:16,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16 WrapperNode [2022-11-21 16:45:16,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:45:16,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:45:16,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:45:16,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:45:16,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,357 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2022-11-21 16:45:16,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:45:16,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:45:16,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:45:16,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:45:16,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:45:16,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:45:16,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:45:16,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:45:16,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (1/1) ... [2022-11-21 16:45:16,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:16,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:16,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:16,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:45:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:45:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:45:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:45:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:45:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:45:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:45:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:45:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:45:16,555 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:45:16,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:45:16,762 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:45:16,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:45:16,769 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 16:45:16,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:16 BoogieIcfgContainer [2022-11-21 16:45:16,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:45:16,772 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:45:16,773 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:45:16,780 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:45:16,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:45:16,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:45:16" (1/3) ... [2022-11-21 16:45:16,795 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7770c9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:45:16, skipping insertion in model container [2022-11-21 16:45:16,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:45:16,796 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:16" (2/3) ... [2022-11-21 16:45:16,796 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7770c9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:45:16, skipping insertion in model container [2022-11-21 16:45:16,796 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:45:16,796 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:16" (3/3) ... [2022-11-21 16:45:16,798 INFO L332 chiAutomizerObserver]: Analyzing ICFG sep05-1.i [2022-11-21 16:45:16,877 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:45:16,877 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:45:16,878 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:45:16,878 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:45:16,878 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:45:16,878 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:45:16,878 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:45:16,879 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:45:16,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:16,904 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2022-11-21 16:45:16,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:16,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:16,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:45:16,911 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:45:16,911 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:45:16,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:16,914 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2022-11-21 16:45:16,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:16,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:16,915 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:45:16,915 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:45:16,924 INFO L748 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue 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(10, 2); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 26#L37-3true [2022-11-21 16:45:16,925 INFO L750 eck$LassoCheckResult]: Loop: 26#L37-3true assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 17#L37-2true main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 26#L37-3true [2022-11-21 16:45:16,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:16,941 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-21 16:45:16,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:16,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127900380] [2022-11-21 16:45:16,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:16,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:17,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:17,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:17,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:17,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-21 16:45:17,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:17,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292369569] [2022-11-21 16:45:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:17,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:17,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:17,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-21 16:45:17,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:17,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581049419] [2022-11-21 16:45:17,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:17,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:17,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:17,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:17,607 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:45:17,607 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:45:17,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:45:17,608 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:45:17,608 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:45:17,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:17,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:45:17,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:45:17,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration1_Lasso [2022-11-21 16:45:17,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:45:17,612 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:45:17,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:17,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:18,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:45:18,224 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:45:18,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:45:18,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:18,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:18,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:18,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:18,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:45:18,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:18,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:18,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:18,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:18,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:45:18,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:18,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:18,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:18,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:18,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:18,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:18,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:45:18,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:18,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,502 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:18,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:45:18,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:18,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:18,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:18,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,573 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:45:18,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:18,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:18,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:18,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:45:18,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:18,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:18,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:18,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,676 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:18,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:45:18,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:18,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:18,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:18,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:18,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:18,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:18,730 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:45:18,753 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-21 16:45:18,753 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-21 16:45:18,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:18,798 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:18,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:45:18,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 16:45:18,822 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 16:45:18,822 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:45:18,823 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1) = -2*ULTIMATE.start_main_~i~1#1 + 9 Supporting invariants [] [2022-11-21 16:45:18,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:18,856 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-21 16:45:18,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:18,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:45:18,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:18,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:45:18,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:19,020 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 16:45:19,024 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:19,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 28 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 78 states and 113 transitions. Complement of second has 7 states. [2022-11-21 16:45:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 16:45:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2022-11-21 16:45:19,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 76 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-21 16:45:19,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:19,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 76 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-21 16:45:19,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:19,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 76 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-21 16:45:19,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:19,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 113 transitions. [2022-11-21 16:45:19,117 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:19,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 22 states and 30 transitions. [2022-11-21 16:45:19,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-21 16:45:19,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-21 16:45:19,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2022-11-21 16:45:19,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:19,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-21 16:45:19,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2022-11-21 16:45:19,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-21 16:45:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2022-11-21 16:45:19,153 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-21 16:45:19,154 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-21 16:45:19,154 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:45:19,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2022-11-21 16:45:19,155 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:19,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:19,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:19,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 16:45:19,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:19,156 INFO L748 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY 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(10, 2); 167#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 175#L37-3 assume !(main_~i~1#1 < 5); 180#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 181#L18-3 [2022-11-21 16:45:19,157 INFO L750 eck$LassoCheckResult]: Loop: 181#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 185#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 182#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 181#L18-3 [2022-11-21 16:45:19,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-21 16:45:19,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:19,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728266485] [2022-11-21 16:45:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:19,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:19,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728266485] [2022-11-21 16:45:19,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728266485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:19,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:45:19,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:45:19,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200834552] [2022-11-21 16:45:19,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:19,224 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:45:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 1 times [2022-11-21 16:45:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:19,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421413479] [2022-11-21 16:45:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:19,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:19,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:19,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:19,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:19,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:45:19,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:45:19,321 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:19,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:19,341 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2022-11-21 16:45:19,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2022-11-21 16:45:19,344 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:19,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2022-11-21 16:45:19,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-21 16:45:19,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-21 16:45:19,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2022-11-21 16:45:19,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:19,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-21 16:45:19,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2022-11-21 16:45:19,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-21 16:45:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2022-11-21 16:45:19,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2022-11-21 16:45:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:45:19,357 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2022-11-21 16:45:19,357 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 16:45:19,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2022-11-21 16:45:19,362 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:19,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:19,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:19,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-21 16:45:19,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:19,363 INFO L748 eck$LassoCheckResult]: Stem: 217#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 218#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 226#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 215#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 216#L37-3 assume !(main_~i~1#1 < 5); 231#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 232#L18-3 [2022-11-21 16:45:19,363 INFO L750 eck$LassoCheckResult]: Loop: 232#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 235#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 233#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 232#L18-3 [2022-11-21 16:45:19,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:19,364 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-21 16:45:19,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:19,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399821147] [2022-11-21 16:45:19,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:19,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:19,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399821147] [2022-11-21 16:45:19,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399821147] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:45:19,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977815301] [2022-11-21 16:45:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:19,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:45:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:19,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:45:19,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-21 16:45:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:19,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:45:19,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:19,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:45:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:19,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977815301] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:45:19,591 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:45:19,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-21 16:45:19,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855624569] [2022-11-21 16:45:19,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:45:19,593 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:45:19,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:19,594 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 2 times [2022-11-21 16:45:19,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:19,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959390262] [2022-11-21 16:45:19,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:19,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:19,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:19,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:19,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:19,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:45:19,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:45:19,710 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:19,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:19,743 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2022-11-21 16:45:19,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2022-11-21 16:45:19,744 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:19,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 35 transitions. [2022-11-21 16:45:19,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-21 16:45:19,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-21 16:45:19,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2022-11-21 16:45:19,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:19,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-21 16:45:19,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2022-11-21 16:45:19,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-21 16:45:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 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) [2022-11-21 16:45:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2022-11-21 16:45:19,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-21 16:45:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:45:19,751 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-21 16:45:19,751 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 16:45:19,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2022-11-21 16:45:19,752 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:19,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:19,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:19,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-21 16:45:19,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:19,754 INFO L748 eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRY 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(10, 2); 308#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 316#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 305#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 306#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 327#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 332#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 331#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 330#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 329#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 328#L37-3 assume !(main_~i~1#1 < 5); 321#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 322#L18-3 [2022-11-21 16:45:19,754 INFO L750 eck$LassoCheckResult]: Loop: 322#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 325#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 323#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 322#L18-3 [2022-11-21 16:45:19,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:19,755 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-21 16:45:19,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:19,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276710555] [2022-11-21 16:45:19,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:19,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:19,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:19,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276710555] [2022-11-21 16:45:19,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276710555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:45:19,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409681344] [2022-11-21 16:45:19,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:45:19,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:45:19,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:19,906 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:45:19,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-21 16:45:19,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 16:45:19,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:45:19,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:45:19,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:20,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:45:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:20,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409681344] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:45:20,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:45:20,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-11-21 16:45:20,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206852549] [2022-11-21 16:45:20,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:45:20,106 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:45:20,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:20,106 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 3 times [2022-11-21 16:45:20,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:20,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752587654] [2022-11-21 16:45:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:20,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:20,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:20,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:45:20,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:45:20,207 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:20,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:20,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:20,274 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2022-11-21 16:45:20,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2022-11-21 16:45:20,276 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:20,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2022-11-21 16:45:20,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-21 16:45:20,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-21 16:45:20,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2022-11-21 16:45:20,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:20,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-21 16:45:20,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2022-11-21 16:45:20,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-21 16:45:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 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) [2022-11-21 16:45:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-21 16:45:20,289 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-21 16:45:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:45:20,290 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-21 16:45:20,292 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-21 16:45:20,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-11-21 16:45:20,292 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-21 16:45:20,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:20,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:20,295 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2022-11-21 16:45:20,295 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:20,295 INFO L748 eck$LassoCheckResult]: Stem: 442#ULTIMATE.startENTRY 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(10, 2); 443#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 451#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 440#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 441#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 462#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 469#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 468#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 467#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 466#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 465#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 464#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 463#L37-3 assume !(main_~i~1#1 < 5); 456#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 457#L18-3 [2022-11-21 16:45:20,295 INFO L750 eck$LassoCheckResult]: Loop: 457#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 460#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 458#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 457#L18-3 [2022-11-21 16:45:20,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2022-11-21 16:45:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:20,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194209432] [2022-11-21 16:45:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:20,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:20,366 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 4 times [2022-11-21 16:45:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:20,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619404609] [2022-11-21 16:45:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:20,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1638582855, now seen corresponding path program 1 times [2022-11-21 16:45:20,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:20,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115694641] [2022-11-21 16:45:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:20,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:21,529 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:45:21,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:45:21,530 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:45:21,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:45:21,530 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:45:21,530 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:21,530 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:45:21,530 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:45:21,530 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration5_Lasso [2022-11-21 16:45:21,530 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:45:21,530 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:45:21,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:21,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:21,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:21,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:21,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:21,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:21,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,183 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,207 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,238 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,241 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:22,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:45:22,711 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:45:22,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:22,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:22,715 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:22,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:45:22,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:22,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:22,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:22,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:22,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:22,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:22,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:22,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:22,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:22,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:22,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:22,766 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:22,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:22,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 16:45:22,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:22,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:22,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:22,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:22,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:22,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:22,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:22,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:22,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:22,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:22,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:22,813 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:22,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:22,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 16:45:22,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:22,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:22,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:22,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:22,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:22,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:22,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:22,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:22,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:22,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:22,869 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:22,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:22,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 16:45:22,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:22,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:22,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:22,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:22,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:22,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:22,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:22,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:22,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:22,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:22,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:22,920 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:22,926 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 [2022-11-21 16:45:22,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 16:45:22,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:22,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:22,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:22,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:22,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:22,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:22,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:22,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:22,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:22,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:22,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:22,961 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:22,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:22,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 16:45:22,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:22,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:22,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:22,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:22,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:22,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:22,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:23,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:23,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:23,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:23,019 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:23,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:23,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 16:45:23,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:23,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:23,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:23,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:23,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:23,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:23,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:23,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:23,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:23,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:23,074 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:23,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:23,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 16:45:23,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:23,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:23,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:23,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:23,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:23,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:23,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:23,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:23,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:23,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:23,135 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:23,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 16:45:23,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:23,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:23,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:23,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:23,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:23,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:23,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:23,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:23,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:23,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:23,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:23,188 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:23,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:23,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 16:45:23,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:23,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:23,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:23,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:23,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:23,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:23,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:23,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:23,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:23,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:23,237 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:23,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:23,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 16:45:23,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:23,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:23,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:23,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:23,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:23,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:23,290 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:45:23,348 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-21 16:45:23,348 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-21 16:45:23,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:23,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:23,352 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:23,354 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:45:23,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 16:45:23,390 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 16:45:23,391 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:45:23,391 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~i~0#1) = -2*ULTIMATE.start_sep_~i~0#1 + 9 Supporting invariants [] [2022-11-21 16:45:23,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:23,498 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-21 16:45:23,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:23,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:45:23,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:23,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:23,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:45:23,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:23,626 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 16:45:23,627 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:23,649 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 35 states and 46 transitions. Complement of second has 7 states. [2022-11-21 16:45:23,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 16:45:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-11-21 16:45:23,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-21 16:45:23,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:23,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 17 letters. Loop has 3 letters. [2022-11-21 16:45:23,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:23,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 6 letters. [2022-11-21 16:45:23,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:23,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2022-11-21 16:45:23,653 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:23,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 31 states and 39 transitions. [2022-11-21 16:45:23,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-21 16:45:23,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-21 16:45:23,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2022-11-21 16:45:23,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:23,655 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-21 16:45:23,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2022-11-21 16:45:23,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-21 16:45:23,657 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) [2022-11-21 16:45:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2022-11-21 16:45:23,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-21 16:45:23,658 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-21 16:45:23,658 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-21 16:45:23,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2022-11-21 16:45:23,664 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:23,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:23,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:23,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:45:23,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:23,669 INFO L748 eck$LassoCheckResult]: Stem: 673#ULTIMATE.startENTRY 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(10, 2); 674#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 682#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 671#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 672#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 694#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 701#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 700#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 699#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 698#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 697#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 696#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 695#L37-3 assume !(main_~i~1#1 < 5); 687#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 688#L18-3 assume !(sep_~i~0#1 < 5); 691#L18-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 675#L25 main_#t~ret7#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 676#L18-8 [2022-11-21 16:45:23,669 INFO L750 eck$LassoCheckResult]: Loop: 676#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 686#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 693#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 676#L18-8 [2022-11-21 16:45:23,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:23,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581187, now seen corresponding path program 1 times [2022-11-21 16:45:23,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:23,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006861819] [2022-11-21 16:45:23,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:23,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-21 16:45:23,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:23,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006861819] [2022-11-21 16:45:23,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006861819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:23,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:45:23,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:45:23,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047004133] [2022-11-21 16:45:23,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:23,756 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:45:23,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash 74576, now seen corresponding path program 1 times [2022-11-21 16:45:23,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:23,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265481583] [2022-11-21 16:45:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:23,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:23,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:23,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:23,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:45:23,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:45:23,841 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:23,876 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2022-11-21 16:45:23,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2022-11-21 16:45:23,877 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:23,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2022-11-21 16:45:23,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-21 16:45:23,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-21 16:45:23,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2022-11-21 16:45:23,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:23,879 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-21 16:45:23,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2022-11-21 16:45:23,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2022-11-21 16:45:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 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) [2022-11-21 16:45:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-11-21 16:45:23,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-21 16:45:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:45:23,883 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-21 16:45:23,883 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-21 16:45:23,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2022-11-21 16:45:23,884 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:23,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:23,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:23,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:45:23,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:23,885 INFO L748 eck$LassoCheckResult]: Stem: 749#ULTIMATE.startENTRY 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(10, 2); 750#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 758#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 747#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 748#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 771#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 778#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 777#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 776#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 775#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 774#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 773#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 772#L37-3 assume !(main_~i~1#1 < 5); 763#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 764#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 767#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 765#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 766#L18-3 assume !(sep_~i~0#1 < 5); 768#L18-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 751#L25 main_#t~ret7#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 752#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 761#L20-2 [2022-11-21 16:45:23,885 INFO L750 eck$LassoCheckResult]: Loop: 761#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 769#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 770#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 761#L20-2 [2022-11-21 16:45:23,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:23,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1567455174, now seen corresponding path program 1 times [2022-11-21 16:45:23,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:23,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108299551] [2022-11-21 16:45:23,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:23,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-21 16:45:23,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:23,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108299551] [2022-11-21 16:45:23,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108299551] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:45:23,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538857594] [2022-11-21 16:45:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:23,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:45:23,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:23,960 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:45:23,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-21 16:45:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:24,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:45:24,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-21 16:45:24,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:45:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-21 16:45:24,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538857594] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:45:24,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:45:24,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-21 16:45:24,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889474752] [2022-11-21 16:45:24,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:45:24,094 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:45:24,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:24,094 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 2 times [2022-11-21 16:45:24,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:24,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586118086] [2022-11-21 16:45:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:24,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:24,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:24,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:24,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:24,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:45:24,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:45:24,174 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:24,261 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2022-11-21 16:45:24,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2022-11-21 16:45:24,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:24,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 60 states and 76 transitions. [2022-11-21 16:45:24,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-11-21 16:45:24,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-11-21 16:45:24,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 76 transitions. [2022-11-21 16:45:24,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:24,264 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2022-11-21 16:45:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 76 transitions. [2022-11-21 16:45:24,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 50. [2022-11-21 16:45:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.26) internal successors, (63), 49 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2022-11-21 16:45:24,267 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-11-21 16:45:24,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:45:24,268 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-11-21 16:45:24,268 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-21 16:45:24,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 63 transitions. [2022-11-21 16:45:24,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:24,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:24,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:24,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:45:24,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:24,271 INFO L748 eck$LassoCheckResult]: Stem: 971#ULTIMATE.startENTRY 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(10, 2); 972#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 980#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 969#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 970#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 995#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1018#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1017#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1016#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1015#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1014#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1013#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1012#L37-3 assume !(main_~i~1#1 < 5); 986#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 987#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 990#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 988#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 989#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 991#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1009#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1007#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1005#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1003#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1002#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 997#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 998#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 996#L18-3 assume !(sep_~i~0#1 < 5); 992#L18-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 973#L25 main_#t~ret7#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 974#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 993#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 994#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 983#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 984#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1011#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1010#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1008#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1006#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1004#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1000#L20-2 [2022-11-21 16:45:24,271 INFO L750 eck$LassoCheckResult]: Loop: 1000#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1001#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 999#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1000#L20-2 [2022-11-21 16:45:24,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:24,271 INFO L85 PathProgramCache]: Analyzing trace with hash -534676351, now seen corresponding path program 1 times [2022-11-21 16:45:24,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:24,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685260291] [2022-11-21 16:45:24,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:24,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-21 16:45:24,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:24,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685260291] [2022-11-21 16:45:24,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685260291] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:45:24,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162327993] [2022-11-21 16:45:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:24,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:45:24,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:24,467 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:45:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-21 16:45:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:24,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:45:24,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-21 16:45:24,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:45:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-21 16:45:24,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162327993] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:45:24,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:45:24,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-11-21 16:45:24,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13300920] [2022-11-21 16:45:24,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:45:24,677 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:45:24,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:24,677 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 3 times [2022-11-21 16:45:24,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:24,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360140483] [2022-11-21 16:45:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:24,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:24,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:24,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:24,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:45:24,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:45:24,747 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 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) [2022-11-21 16:45:24,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:24,828 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2022-11-21 16:45:24,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 88 transitions. [2022-11-21 16:45:24,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:24,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 88 transitions. [2022-11-21 16:45:24,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-11-21 16:45:24,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-11-21 16:45:24,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2022-11-21 16:45:24,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:24,830 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 88 transitions. [2022-11-21 16:45:24,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2022-11-21 16:45:24,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2022-11-21 16:45:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 55 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-11-21 16:45:24,834 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-11-21 16:45:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:45:24,835 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-11-21 16:45:24,835 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-21 16:45:24,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 71 transitions. [2022-11-21 16:45:24,836 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-21 16:45:24,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:24,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:24,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:45:24,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:45:24,838 INFO L748 eck$LassoCheckResult]: Stem: 1329#ULTIMATE.startENTRY 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(10, 2); 1330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1338#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1327#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1328#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1353#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1382#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1381#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1380#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1379#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1378#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1377#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1376#L37-3 assume !(main_~i~1#1 < 5); 1344#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1345#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1348#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1346#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1347#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1349#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1373#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1371#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1369#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1367#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1365#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1363#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1361#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1360#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1355#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1356#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1354#L18-3 assume !(sep_~i~0#1 < 5); 1350#L18-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1331#L25 main_#t~ret7#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1332#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1351#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1352#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1341#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1342#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1375#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1374#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1372#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1370#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1368#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1366#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1364#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1362#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1358#L20-2 [2022-11-21 16:45:24,838 INFO L750 eck$LassoCheckResult]: Loop: 1358#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1359#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1357#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1358#L20-2 [2022-11-21 16:45:24,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:24,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1616244090, now seen corresponding path program 2 times [2022-11-21 16:45:24,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:24,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109470188] [2022-11-21 16:45:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:24,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:24,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:25,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:25,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 4 times [2022-11-21 16:45:25,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:25,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018000940] [2022-11-21 16:45:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:25,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:25,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:25,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:25,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:25,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1350622481, now seen corresponding path program 1 times [2022-11-21 16:45:25,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:25,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062782315] [2022-11-21 16:45:25,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:25,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-21 16:45:25,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:25,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062782315] [2022-11-21 16:45:25,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062782315] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:45:25,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842457862] [2022-11-21 16:45:25,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:25,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:45:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:25,382 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:45:25,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-21 16:45:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:25,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:45:25,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-21 16:45:25,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:45:25,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842457862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:25,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:45:25,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2022-11-21 16:45:25,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011872788] [2022-11-21 16:45:25,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:25,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:45:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:45:25,603 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 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) [2022-11-21 16:45:25,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:25,714 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2022-11-21 16:45:25,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 85 transitions. [2022-11-21 16:45:25,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:45:25,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 52 states and 63 transitions. [2022-11-21 16:45:25,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-21 16:45:25,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2022-11-21 16:45:25,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2022-11-21 16:45:25,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:25,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 63 transitions. [2022-11-21 16:45:25,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2022-11-21 16:45:25,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-21 16:45:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 51 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2022-11-21 16:45:25,727 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 63 transitions. [2022-11-21 16:45:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:45:25,729 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2022-11-21 16:45:25,729 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-21 16:45:25,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 63 transitions. [2022-11-21 16:45:25,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:45:25,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:45:25,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:45:25,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:45:25,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:45:25,743 INFO L748 eck$LassoCheckResult]: Stem: 1609#ULTIMATE.startENTRY 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(10, 2); 1610#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1616#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1607#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1608#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1627#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1642#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1640#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1638#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1636#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1634#L37-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1631#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1630#L37-3 assume !(main_~i~1#1 < 5); 1619#L37-4 assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1620#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1658#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1621#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1622#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1623#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1628#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1657#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1656#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1655#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1654#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1653#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1652#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1651#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1650#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1649#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1648#L18-3 assume !(sep_~i~0#1 < 5); 1624#L18-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1611#L25 main_#t~ret7#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1612#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1617#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1625#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1626#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1647#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1646#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1645#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1644#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1643#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1641#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1639#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1637#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1635#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1633#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1632#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1629#L18-8 assume !(sep_~i~0#1 < 5); 1618#L18-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1613#L25-1 main_#t~ret10#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem11#1;havoc main_#t~mem11#1;main_~i~2#1 := 0; 1614#L46-3 [2022-11-21 16:45:25,747 INFO L750 eck$LassoCheckResult]: Loop: 1614#L46-3 assume !!(main_~i~2#1 < 4);call main_#t~mem13#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem13#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem13#1; 1615#L46-2 main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1614#L46-3 [2022-11-21 16:45:25,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:25,748 INFO L85 PathProgramCache]: Analyzing trace with hash -866233935, now seen corresponding path program 1 times [2022-11-21 16:45:25,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:25,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387944629] [2022-11-21 16:45:25,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:25,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:25,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:25,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:25,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:25,977 INFO L85 PathProgramCache]: Analyzing trace with hash 3075, now seen corresponding path program 1 times [2022-11-21 16:45:25,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:25,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820440611] [2022-11-21 16:45:25,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:25,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:25,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:25,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash 772846003, now seen corresponding path program 1 times [2022-11-21 16:45:25,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:25,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186606530] [2022-11-21 16:45:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:25,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:26,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:45:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:45:26,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:45:31,841 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 448 DAG size of output: 327 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:45:33,044 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:45:33,044 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:45:33,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:45:33,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:45:33,044 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:45:33,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:33,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:45:33,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:45:33,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration10_Lasso [2022-11-21 16:45:33,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:45:33,045 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:45:33,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,082 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:33,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:35,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:35,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:45:35,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:45:35,956 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:45:35,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:35,960 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:35,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 16:45:35,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:35,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:35,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:35,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:35,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:35,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:35,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:35,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:35,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:35,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-21 16:45:35,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:35,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:35,981 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:35,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 16:45:35,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:35,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:35,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:35,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:35,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:35,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:35,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,005 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 16:45:36,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-21 16:45:36,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,026 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 16:45:36,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,051 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 16:45:36,054 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 [2022-11-21 16:45:36,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,085 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 16:45:36,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,104 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 16:45:36,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,135 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 16:45:36,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-21 16:45:36,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,159 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 16:45:36,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:36,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,183 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 16:45:36,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-21 16:45:36,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,203 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 16:45:36,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:36,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-21 16:45:36,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,230 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 16:45:36,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-21 16:45:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,250 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 16:45:36,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-21 16:45:36,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,271 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 16:45:36,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-21 16:45:36,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,303 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-21 16:45:36,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,327 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-21 16:45:36,330 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 [2022-11-21 16:45:36,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-21 16:45:36,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,346 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-21 16:45:36,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:36,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,384 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-21 16:45:36,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:45:36,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:45:36,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:45:36,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-21 16:45:36,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,405 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-21 16:45:36,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:36,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-21 16:45:36,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,433 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-21 16:45:36,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:36,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,460 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-21 16:45:36,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:36,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:45:36,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-21 16:45:36,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,494 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-21 16:45:36,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:45:36,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:45:36,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:45:36,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:45:36,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:45:36,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:45:36,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:45:36,561 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:45:36,583 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-21 16:45:36,583 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-21 16:45:36,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:45:36,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:36,590 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:36,595 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:45:36,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-21 16:45:36,607 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 16:45:36,607 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:45:36,607 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1) = -2*ULTIMATE.start_main_~i~2#1 + 7 Supporting invariants [] [2022-11-21 16:45:36,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:36,834 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2022-11-21 16:45:36,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:45:36,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:37,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:45:37,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:45:37,023 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 16:45:37,024 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:37,036 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 54 states and 66 transitions. Complement of second has 4 states. [2022-11-21 16:45:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 16:45:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:45:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-11-21 16:45:37,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 2 letters. [2022-11-21 16:45:37,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:37,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-21 16:45:37,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:37,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 4 letters. [2022-11-21 16:45:37,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:45:37,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2022-11-21 16:45:37,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:45:37,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2022-11-21 16:45:37,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 16:45:37,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 16:45:37,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 16:45:37,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:45:37,044 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:45:37,045 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:45:37,045 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:45:37,045 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-21 16:45:37,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:45:37,045 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:45:37,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 16:45:37,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:45:37 BoogieIcfgContainer [2022-11-21 16:45:37,055 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:45:37,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:45:37,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:45:37,056 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:45:37,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:16" (3/4) ... [2022-11-21 16:45:37,061 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:45:37,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:45:37,061 INFO L158 Benchmark]: Toolchain (without parser) took 20978.51ms. Allocated memory was 113.2MB in the beginning and 232.8MB in the end (delta: 119.5MB). Free memory was 84.0MB in the beginning and 141.2MB in the end (delta: -57.2MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-11-21 16:45:37,062 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:45:37,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.58ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 73.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:45:37,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.26ms. Allocated memory is still 113.2MB. Free memory was 73.3MB in the beginning and 71.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:45:37,063 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:45:37,063 INFO L158 Benchmark]: RCFGBuilder took 378.22ms. Allocated memory is still 113.2MB. Free memory was 69.8MB in the beginning and 55.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:45:37,064 INFO L158 Benchmark]: BuchiAutomizer took 20283.00ms. Allocated memory was 113.2MB in the beginning and 232.8MB in the end (delta: 119.5MB). Free memory was 55.5MB in the beginning and 141.2MB in the end (delta: -85.7MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-11-21 16:45:37,064 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 232.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:45:37,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.58ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 73.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.26ms. Allocated memory is still 113.2MB. Free memory was 73.3MB in the beginning and 71.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.22ms. Allocated memory is still 113.2MB. Free memory was 69.8MB in the beginning and 55.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 20283.00ms. Allocated memory was 113.2MB in the beginning and 232.8MB in the end (delta: 119.5MB). Free memory was 55.5MB in the beginning and 141.2MB in the end (delta: -85.7MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 232.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 9 + -2 * i and consists of 5 locations. One deterministic module has affine ranking function 9 + -2 * i and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 7 and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.1s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 18.9s. Construction of modules took 0.3s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 701 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 451 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 250 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital294 mio100 ax100 hnf100 lsp94 ukn69 mio100 lsp35 div100 bol100 ite100 ukn100 eq171 hnf91 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2022-11-21 16:45:37,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:37,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:37,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-11-21 16:45:37,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2022-11-21 16:45:37,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-21 16:45:38,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-21 16:45:38,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178736b3-8a81-4c97-9d19-8256c7be9dfc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE