./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg --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 ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:19:54,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:19:54,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:19:54,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:19:54,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:19:54,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:19:54,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:19:54,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:19:54,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:19:54,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:19:54,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:19:54,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:19:54,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:19:54,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:19:54,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:19:54,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:19:54,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:19:54,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:19:54,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:19:54,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:19:54,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:19:54,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:19:54,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:19:54,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:19:54,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:19:54,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:19:54,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:19:54,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:19:54,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:19:54,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:19:54,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:19:54,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:19:54,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:19:54,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:19:54,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:19:54,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:19:54,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:19:54,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:19:54,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:19:54,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:19:54,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:19:54,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:19:54,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:19:54,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:19:54,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:19:54,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:19:54,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:19:54,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:19:54,237 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:19:54,238 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:19:54,238 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:19:54,238 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:19:54,239 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:19:54,239 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:19:54,239 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:19:54,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:19:54,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:19:54,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:19:54,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:19:54,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:19:54,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:19:54,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:19:54,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:19:54,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:19:54,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:19:54,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:19:54,243 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:19:54,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:19:54,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:19:54,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:19:54,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:19:54,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:19:54,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:19:54,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:19:54,246 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:19:54,247 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_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 [2021-10-28 09:19:54,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:19:54,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:19:54,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:19:54,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:19:54,601 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:19:54,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2021-10-28 09:19:54,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/data/46b148ca1/77295efd2bcd442f84714cb365b88067/FLAG311e5f9b5 [2021-10-28 09:19:55,302 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:19:55,303 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2021-10-28 09:19:55,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/data/46b148ca1/77295efd2bcd442f84714cb365b88067/FLAG311e5f9b5 [2021-10-28 09:19:55,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/data/46b148ca1/77295efd2bcd442f84714cb365b88067 [2021-10-28 09:19:55,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:19:55,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:19:55,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:19:55,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:19:55,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:19:55,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:55" (1/1) ... [2021-10-28 09:19:55,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e96666e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:55, skipping insertion in model container [2021-10-28 09:19:55,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:55" (1/1) ... [2021-10-28 09:19:55,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:19:55,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:19:56,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:19:56,156 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:19:56,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:19:56,273 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:19:56,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56 WrapperNode [2021-10-28 09:19:56,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:19:56,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:19:56,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:19:56,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:19:56,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:19:56,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:19:56,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:19:56,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:19:56,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:19:56,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:19:56,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:19:56,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:19:56,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (1/1) ... [2021-10-28 09:19:56,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:56,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:56,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:56,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:19:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:19:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:19:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:19:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:19:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:19:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:19:56,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:19:56,798 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:19:56,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:19:56 BoogieIcfgContainer [2021-10-28 09:19:56,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:19:56,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:19:56,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:19:56,806 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:19:56,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:19:56,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:19:55" (1/3) ... [2021-10-28 09:19:56,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@702fc655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:19:56, skipping insertion in model container [2021-10-28 09:19:56,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:19:56,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:56" (2/3) ... [2021-10-28 09:19:56,822 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@702fc655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:19:56, skipping insertion in model container [2021-10-28 09:19:56,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:19:56,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:19:56" (3/3) ... [2021-10-28 09:19:56,824 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-1.i [2021-10-28 09:19:56,889 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:19:56,890 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:19:56,890 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:19:56,890 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:19:56,890 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:19:56,890 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:19:56,891 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:19:56,891 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:19:56,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:56,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 09:19:56,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:56,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:56,936 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:19:56,937 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:19:56,937 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:19:56,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:56,939 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 09:19:56,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:56,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:56,940 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:19:56,940 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:19:56,949 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 13#L523true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 14#L523-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 6#L528-3true [2021-10-28 09:19:56,949 INFO L793 eck$LassoCheckResult]: Loop: 6#L528-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 10#L528-2true main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 6#L528-3true [2021-10-28 09:19:56,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-28 09:19:56,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:56,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904426919] [2021-10-28 09:19:56,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:56,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:57,135 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:57,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:57,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:57,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-28 09:19:57,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:57,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241339310] [2021-10-28 09:19:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:57,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:57,236 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:57,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:57,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-28 09:19:57,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:57,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672989184] [2021-10-28 09:19:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:57,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:57,293 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:57,324 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:57,782 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:19:57,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:19:57,784 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:19:57,784 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:19:57,784 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:19:57,784 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:57,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:19:57,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:19:57,785 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration1_Lasso [2021-10-28 09:19:57,785 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:19:57,786 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:19:57,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:57,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:58,307 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:19:58,313 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:19:58,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:58,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:58,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:58,325 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 [2021-10-28 09:19:58,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:58,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:58,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:58,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:58,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:58,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:58,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:58,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:19:58,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:58,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:58,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:58,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:58,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:58,433 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 [2021-10-28 09:19:58,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:58,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:58,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:58,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:58,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:58,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:58,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:58,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:19:58,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:58,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:58,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:58,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:58,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:58,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:19:58,500 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 [2021-10-28 09:19:58,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:58,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:58,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:58,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:58,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:58,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:58,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:58,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:58,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:58,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:58,572 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:58,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:19:58,574 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 [2021-10-28 09:19:58,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:58,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:58,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:58,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:58,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:58,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:58,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:58,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:58,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:58,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:58,630 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:58,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:19:58,635 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 [2021-10-28 09:19:58,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:58,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:58,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:58,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:58,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:58,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:58,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:58,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:58,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 09:19:58,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:58,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:58,704 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:58,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:19:58,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:19:58,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:58,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:58,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:58,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:58,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:58,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:58,756 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:19:58,814 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-28 09:19:58,815 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 09:19:58,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:58,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:58,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:58,857 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:19:58,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:19:58,905 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:19:58,906 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:19:58,906 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1, ULTIMATE.start_main_~numbers~0.offset, ULTIMATE.start_main_~i~1) = 2*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 - 1*ULTIMATE.start_main_~numbers~0.offset - 4*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-10-28 09:19:58,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:58,975 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 09:19:59,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:59,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:19:59,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:59,057 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:19:59,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:59,145 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:19:59,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:59,240 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 56 transitions. Complement of second has 7 states. [2021-10-28 09:19:59,241 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 [2021-10-28 09:19:59,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-10-28 09:19:59,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:19:59,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:59,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 09:19:59,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:59,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-28 09:19:59,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:59,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 56 transitions. [2021-10-28 09:19:59,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:59,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 13 states and 18 transitions. [2021-10-28 09:19:59,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:19:59,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 09:19:59,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2021-10-28 09:19:59,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:19:59,267 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-28 09:19:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2021-10-28 09:19:59,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-28 09:19:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-10-28 09:19:59,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-10-28 09:19:59,292 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-28 09:19:59,292 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-28 09:19:59,293 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:19:59,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-10-28 09:19:59,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:59,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:59,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:59,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:19:59,295 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:19:59,295 INFO L791 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 112#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 113#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 114#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 117#L528-3 assume !(main_~i~1 < main_~array_size~0); 115#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 116#L515-3 [2021-10-28 09:19:59,295 INFO L793 eck$LassoCheckResult]: Loop: 116#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 120#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 121#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 116#L515-3 [2021-10-28 09:19:59,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:59,296 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-28 09:19:59,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:59,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698438842] [2021-10-28 09:19:59,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:59,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:59,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:19:59,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698438842] [2021-10-28 09:19:59,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698438842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:19:59,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:19:59,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:19:59,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693096297] [2021-10-28 09:19:59,376 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:19:59,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:59,381 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2021-10-28 09:19:59,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:59,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358296803] [2021-10-28 09:19:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:59,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:59,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:19:59,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358296803] [2021-10-28 09:19:59,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358296803] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:19:59,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:19:59,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:19:59,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181724672] [2021-10-28 09:19:59,427 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:19:59,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:19:59,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:19:59,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:19:59,438 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-28 09:19:59,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:19:59,462 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2021-10-28 09:19:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:19:59,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2021-10-28 09:19:59,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:19:59,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2021-10-28 09:19:59,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 09:19:59,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 09:19:59,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2021-10-28 09:19:59,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:19:59,471 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-28 09:19:59,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2021-10-28 09:19:59,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-28 09:19:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-28 09:19:59,476 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-28 09:19:59,476 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-28 09:19:59,476 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:19:59,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-28 09:19:59,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:19:59,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:59,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:59,480 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:19:59,481 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:19:59,481 INFO L791 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 147#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 148#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 149#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 152#L528-3 assume !(main_~i~1 < main_~array_size~0); 150#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 151#L515-3 [2021-10-28 09:19:59,482 INFO L793 eck$LassoCheckResult]: Loop: 151#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 155#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 156#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 158#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 159#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 157#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 151#L515-3 [2021-10-28 09:19:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:59,483 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2021-10-28 09:19:59,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:59,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731189989] [2021-10-28 09:19:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:59,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:59,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:19:59,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731189989] [2021-10-28 09:19:59,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731189989] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:19:59,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:19:59,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:19:59,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685900367] [2021-10-28 09:19:59,568 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:19:59,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:59,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 1 times [2021-10-28 09:19:59,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:59,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504206552] [2021-10-28 09:19:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:59,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:59,594 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:59,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:59,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:19:59,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:19:59,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:19:59,837 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:59,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:19:59,873 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-28 09:19:59,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:19:59,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-10-28 09:19:59,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:19:59,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2021-10-28 09:19:59,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 09:19:59,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 09:19:59,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-10-28 09:19:59,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:19:59,880 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-28 09:19:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-10-28 09:19:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-28 09:19:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-10-28 09:19:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2021-10-28 09:19:59,882 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-28 09:19:59,882 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-28 09:19:59,882 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:19:59,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2021-10-28 09:19:59,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:19:59,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:59,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:59,887 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:19:59,888 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:19:59,888 INFO L791 eck$LassoCheckResult]: Stem: 182#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 183#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 184#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 185#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 188#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 189#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 190#L528-3 assume !(main_~i~1 < main_~array_size~0); 186#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 187#L515-3 [2021-10-28 09:19:59,888 INFO L793 eck$LassoCheckResult]: Loop: 187#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 191#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 192#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 194#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 195#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 193#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 187#L515-3 [2021-10-28 09:19:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:59,889 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-10-28 09:19:59,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:59,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512289944] [2021-10-28 09:19:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:59,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:59,927 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:59,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:59,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:59,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 2 times [2021-10-28 09:19:59,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:59,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690780310] [2021-10-28 09:19:59,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:59,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:59,979 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:00,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash -256077176, now seen corresponding path program 1 times [2021-10-28 09:20:00,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:00,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897396509] [2021-10-28 09:20:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:00,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:00,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:00,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:00,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897396509] [2021-10-28 09:20:00,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897396509] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:00,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619830344] [2021-10-28 09:20:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:00,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:20:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:00,261 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:20:00,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 09:20:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:00,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:20:00,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:00,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:20:00,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619830344] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:00,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:20:00,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-10-28 09:20:00,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451353325] [2021-10-28 09:20:00,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:00,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:20:00,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:20:00,696 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:00,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:00,840 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-10-28 09:20:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:20:00,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-10-28 09:20:00,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:20:00,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 17 states and 20 transitions. [2021-10-28 09:20:00,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 09:20:00,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 09:20:00,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-10-28 09:20:00,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:20:00,843 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-28 09:20:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-10-28 09:20:00,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-10-28 09:20:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:00,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-28 09:20:00,846 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 09:20:00,846 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 09:20:00,846 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:20:00,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-10-28 09:20:00,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:20:00,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:00,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:00,848 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:00,848 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:20:00,848 INFO L791 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 281#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 284#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 285#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 286#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 287#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 288#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 289#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 295#L528-3 assume !(main_~i~1 < main_~array_size~0); 282#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 283#L515-3 [2021-10-28 09:20:00,848 INFO L793 eck$LassoCheckResult]: Loop: 283#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 290#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 291#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 293#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 294#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 292#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 283#L515-3 [2021-10-28 09:20:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2021-10-28 09:20:00,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:00,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027640493] [2021-10-28 09:20:00,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:00,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:00,876 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:00,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:00,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:00,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 3 times [2021-10-28 09:20:00,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:00,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429089920] [2021-10-28 09:20:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:00,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:00,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:00,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:00,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:00,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1808202986, now seen corresponding path program 2 times [2021-10-28 09:20:00,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:00,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063063449] [2021-10-28 09:20:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:00,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:00,958 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:01,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:01,604 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:20:01,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:20:01,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:20:01,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:20:01,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:20:01,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:01,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:20:01,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:20:01,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration5_Lasso [2021-10-28 09:20:01,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:20:01,606 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:20:01,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:01,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:02,331 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:20:02,332 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:20:02,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,333 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:20:02,366 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 [2021-10-28 09:20:02,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:02,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:02,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:02,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:02,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:02,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,449 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 [2021-10-28 09:20:02,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:20:02,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:20:02,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:20:02,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:02,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:02,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,525 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,535 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 [2021-10-28 09:20:02,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:02,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:02,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:02,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:20:02,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:02,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:02,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,609 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:20:02,617 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 [2021-10-28 09:20:02,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:02,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:02,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:02,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:02,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-28 09:20:02,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,661 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:20:02,663 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 [2021-10-28 09:20:02,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:02,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:02,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:02,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:02,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 09:20:02,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,707 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:20:02,714 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 [2021-10-28 09:20:02,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:02,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:02,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:02,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:02,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:02,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,789 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,796 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 [2021-10-28 09:20:02,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:20:02,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:20:02,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:20:02,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:02,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:02,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,867 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,877 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 [2021-10-28 09:20:02,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:02,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:02,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:02,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:20:02,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:20:02,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:20:02,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:20:02,964 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:20:02,965 INFO L444 ModelExtractionUtils]: 29 out of 40 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-28 09:20:02,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:02,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:02,966 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:02,988 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:20:02,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:20:03,010 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:20:03,010 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:20:03,011 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~pass~0, ULTIMATE.start_sort_~n) = -1*ULTIMATE.start_sort_~pass~0 + 1*ULTIMATE.start_sort_~n Supporting invariants [] [2021-10-28 09:20:03,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:03,077 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 09:20:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:03,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:20:03,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:03,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:20:03,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:20:03,221 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:20:03,221 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:03,238 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 28 transitions. Complement of second has 4 states. [2021-10-28 09:20:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:20:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-10-28 09:20:03,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 09:20:03,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:20:03,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 09:20:03,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:20:03,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 12 letters. [2021-10-28 09:20:03,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:20:03,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2021-10-28 09:20:03,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:03,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 27 transitions. [2021-10-28 09:20:03,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:20:03,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 09:20:03,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-10-28 09:20:03,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:20:03,243 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-28 09:20:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-10-28 09:20:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-10-28 09:20:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-28 09:20:03,246 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 09:20:03,246 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 09:20:03,246 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:20:03,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-28 09:20:03,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:03,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:03,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:03,248 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:03,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:20:03,248 INFO L791 eck$LassoCheckResult]: Stem: 410#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 411#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 414#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 415#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 416#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 417#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 418#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 419#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 429#L528-3 assume !(main_~i~1 < main_~array_size~0); 412#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 413#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 420#L516-3 [2021-10-28 09:20:03,249 INFO L793 eck$LassoCheckResult]: Loop: 420#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 421#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 426#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 420#L516-3 [2021-10-28 09:20:03,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:03,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2021-10-28 09:20:03,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:03,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642326741] [2021-10-28 09:20:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:03,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:03,263 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:03,277 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:03,278 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2021-10-28 09:20:03,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:03,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337679656] [2021-10-28 09:20:03,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:03,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:03,285 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:03,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:03,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:03,292 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2021-10-28 09:20:03,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:03,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419727196] [2021-10-28 09:20:03,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:03,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:03,309 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:03,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:03,865 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:20:03,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:20:03,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:20:03,865 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:20:03,865 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:20:03,865 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:03,865 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:20:03,866 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:20:03,866 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration6_Lasso [2021-10-28 09:20:03,866 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:20:03,866 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:20:03,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:03,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:03,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:03,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:04,587 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:20:04,588 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:20:04,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:04,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:04,609 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:04,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-28 09:20:04,635 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 [2021-10-28 09:20:04,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:04,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:04,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:04,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:04,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:04,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:04,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:04,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:20:04,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:04,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:04,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:04,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:04,706 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:04,719 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 [2021-10-28 09:20:04,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:04,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:04,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:04,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:04,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:04,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:04,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:04,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:20:04,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:04,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:04,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:04,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:04,791 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:04,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:20:04,798 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 [2021-10-28 09:20:04,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:04,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:04,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:04,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:04,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:20:04,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:20:04,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:04,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:04,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:04,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:04,852 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:04,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:20:04,868 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 [2021-10-28 09:20:04,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:04,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:04,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:04,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:04,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:20:04,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:20:04,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:04,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:04,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:04,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:04,951 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:04,957 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 [2021-10-28 09:20:04,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:04,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:04,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:04,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:04,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:20:04,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:20:04,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:20:04,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:05,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-28 09:20:05,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:05,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:05,035 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:05,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:20:05,037 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 [2021-10-28 09:20:05,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:05,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:20:05,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:05,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:05,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:05,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:20:05,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:20:05,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:20:05,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:05,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:05,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:05,104 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:05,110 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 [2021-10-28 09:20:05,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:20:05,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:20:05,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:20:05,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:20:05,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:20:05,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:20:05,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:20:05,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:20:05,243 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 09:20:05,243 INFO L444 ModelExtractionUtils]: 14 out of 43 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-28 09:20:05,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:05,245 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:05,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:20:05,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:20:05,278 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:20:05,278 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:20:05,278 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~x.offset, ULTIMATE.start_sort_~i~0, v_rep(select #length ULTIMATE.start_sort_~x.base)_2) = -1*ULTIMATE.start_sort_~x.offset - 4*ULTIMATE.start_sort_~i~0 + 2*v_rep(select #length ULTIMATE.start_sort_~x.base)_2 Supporting invariants [] [2021-10-28 09:20:05,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:05,342 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 09:20:05,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:05,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:20:05,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:05,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:20:05,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:05,506 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:20:05,507 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-28 09:20:05,535 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 36 states and 50 transitions. Complement of second has 7 states. [2021-10-28 09:20:05,536 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 [2021-10-28 09:20:05,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-28 09:20:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-28 09:20:05,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-28 09:20:05,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:20:05,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 09:20:05,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:20:05,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-10-28 09:20:05,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:20:05,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2021-10-28 09:20:05,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:05,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 26 states and 34 transitions. [2021-10-28 09:20:05,549 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:20:05,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 09:20:05,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-10-28 09:20:05,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:20:05,550 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-28 09:20:05,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-10-28 09:20:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-10-28 09:20:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-10-28 09:20:05,555 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 09:20:05,555 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 09:20:05,555 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:20:05,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-10-28 09:20:05,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:05,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:05,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:05,563 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:05,563 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:20:05,563 INFO L791 eck$LassoCheckResult]: Stem: 556#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 557#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 560#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 561#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 562#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 563#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 564#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 565#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 575#L528-3 assume !(main_~i~1 < main_~array_size~0); 558#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 559#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 568#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 569#L517 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 573#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 574#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 571#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 570#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 566#L516-3 [2021-10-28 09:20:05,564 INFO L793 eck$LassoCheckResult]: Loop: 566#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 567#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 572#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 566#L516-3 [2021-10-28 09:20:05,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:05,564 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2021-10-28 09:20:05,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:05,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963764233] [2021-10-28 09:20:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:05,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:20:05,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:05,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963764233] [2021-10-28 09:20:05,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963764233] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:05,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856473467] [2021-10-28 09:20:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:05,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:20:05,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:05,672 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:20:05,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-28 09:20:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:05,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:20:05,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:20:05,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856473467] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:05,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:20:05,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-28 09:20:05,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903193824] [2021-10-28 09:20:05,909 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:20:05,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:05,913 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2021-10-28 09:20:05,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:05,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220148854] [2021-10-28 09:20:05,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:05,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:05,926 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:05,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:06,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:06,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:20:06,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:20:06,057 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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) [2021-10-28 09:20:06,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:06,159 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-10-28 09:20:06,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:20:06,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2021-10-28 09:20:06,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:06,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 28 transitions. [2021-10-28 09:20:06,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:20:06,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 09:20:06,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-10-28 09:20:06,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:20:06,162 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-10-28 09:20:06,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-10-28 09:20:06,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-28 09:20:06,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2021-10-28 09:20:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-10-28 09:20:06,164 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-28 09:20:06,166 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-28 09:20:06,166 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:20:06,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-10-28 09:20:06,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:06,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:06,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:06,168 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:06,169 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:20:06,169 INFO L791 eck$LassoCheckResult]: Stem: 675#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 676#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 677#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 678#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 681#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 682#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 683#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 684#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 694#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 696#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 695#L528-3 assume !(main_~i~1 < main_~array_size~0); 679#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 680#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 687#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 688#L517 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 692#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 693#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 690#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 689#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 685#L516-3 [2021-10-28 09:20:06,169 INFO L793 eck$LassoCheckResult]: Loop: 685#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 686#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 691#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 685#L516-3 [2021-10-28 09:20:06,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:06,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2021-10-28 09:20:06,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:06,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558341445] [2021-10-28 09:20:06,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:06,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:06,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:06,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558341445] [2021-10-28 09:20:06,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558341445] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:06,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436315493] [2021-10-28 09:20:06,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:20:06,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:20:06,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:06,410 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:20:06,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-28 09:20:06,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:20:06,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:20:06,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:20:06,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:06,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-28 09:20:06,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436315493] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:06,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:20:06,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2021-10-28 09:20:06,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259787246] [2021-10-28 09:20:06,704 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:20:06,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:06,705 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2021-10-28 09:20:06,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:06,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670008726] [2021-10-28 09:20:06,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:06,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:06,719 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:06,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:06,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:06,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 09:20:06,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:20:06,850 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:07,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:07,222 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-10-28 09:20:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 09:20:07,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2021-10-28 09:20:07,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:07,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 43 states and 56 transitions. [2021-10-28 09:20:07,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 09:20:07,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-28 09:20:07,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 56 transitions. [2021-10-28 09:20:07,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:20:07,226 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 56 transitions. [2021-10-28 09:20:07,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 56 transitions. [2021-10-28 09:20:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 25. [2021-10-28 09:20:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-10-28 09:20:07,229 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-10-28 09:20:07,229 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-10-28 09:20:07,230 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:20:07,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2021-10-28 09:20:07,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:07,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:07,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:07,231 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:07,231 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:20:07,232 INFO L791 eck$LassoCheckResult]: Stem: 832#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 833#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 834#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 835#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 838#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 839#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 840#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 841#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 851#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 854#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 853#L528-3 assume !(main_~i~1 < main_~array_size~0); 836#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 837#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 846#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 856#L517 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 850#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 844#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 845#L517 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 852#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 855#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 848#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 847#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 842#L516-3 [2021-10-28 09:20:07,232 INFO L793 eck$LassoCheckResult]: Loop: 842#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 843#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 849#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 842#L516-3 [2021-10-28 09:20:07,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:07,232 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2021-10-28 09:20:07,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:07,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451531730] [2021-10-28 09:20:07,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:07,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:07,250 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:07,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:07,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:07,271 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2021-10-28 09:20:07,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:07,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873948197] [2021-10-28 09:20:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:07,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:07,276 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:07,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:07,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:07,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 1 times [2021-10-28 09:20:07,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:07,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928686414] [2021-10-28 09:20:07,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:07,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:20:07,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:07,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928686414] [2021-10-28 09:20:07,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928686414] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:07,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280055391] [2021-10-28 09:20:07,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:07,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:20:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:07,645 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:20:07,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-28 09:20:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:07,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 09:20:07,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:20:08,046 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-28 09:20:08,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 10 [2021-10-28 09:20:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:20:08,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280055391] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:20:08,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:20:08,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2021-10-28 09:20:08,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683460481] [2021-10-28 09:20:08,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:08,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-28 09:20:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-10-28 09:20:08,200 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 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) [2021-10-28 09:20:08,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:08,542 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-10-28 09:20:08,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:20:08,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2021-10-28 09:20:08,544 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 09:20:08,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2021-10-28 09:20:08,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-28 09:20:08,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 09:20:08,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2021-10-28 09:20:08,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:20:08,548 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2021-10-28 09:20:08,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2021-10-28 09:20:08,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-10-28 09:20:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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) [2021-10-28 09:20:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-10-28 09:20:08,553 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-28 09:20:08,553 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-28 09:20:08,553 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:20:08,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2021-10-28 09:20:08,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:20:08,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:08,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:08,556 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:08,556 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:20:08,556 INFO L791 eck$LassoCheckResult]: Stem: 1015#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1016#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 1019#L523 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 1020#L523-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 1021#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 1022#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 1023#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 1024#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 1039#L528-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 1038#L528-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 1037#L528-3 assume !(main_~i~1 < main_~array_size~0); 1017#L528-4 sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 1018#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 1029#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 1043#L517 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 1035#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 1027#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 1028#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 1042#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 1046#L516-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 1045#L515-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 1044#L515-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 1034#L516-3 [2021-10-28 09:20:08,557 INFO L793 eck$LassoCheckResult]: Loop: 1034#L516-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 1048#L517 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 1033#L516-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 1034#L516-3 [2021-10-28 09:20:08,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:08,557 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 2 times [2021-10-28 09:20:08,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:08,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286654743] [2021-10-28 09:20:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:08,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:08,576 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:08,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:08,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:08,597 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2021-10-28 09:20:08,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:08,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128944817] [2021-10-28 09:20:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:08,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:08,604 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:08,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:08,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:08,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 3 times [2021-10-28 09:20:08,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:08,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737711530] [2021-10-28 09:20:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:08,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:08,631 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:08,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:10,080 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:20:10,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:20:10,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:20:10,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:20:10,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:20:10,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:10,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:20:10,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:20:10,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration10_Lasso [2021-10-28 09:20:10,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:20:10,082 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:20:10,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:20:10,232 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-28 09:20:10,234 INFO L168 Benchmark]: Toolchain (without parser) took 14607.95 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 67.3 MB in the beginning and 125.3 MB in the end (delta: -58.0 MB). Peak memory consumption was 101.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:10,240 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:20:10,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.13 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 70.2 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:10,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.98 ms. Allocated memory is still 100.7 MB. Free memory was 70.2 MB in the beginning and 68.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:10,242 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 66.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:20:10,242 INFO L168 Benchmark]: RCFGBuilder took 401.04 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 56.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:10,243 INFO L168 Benchmark]: BuchiAutomizer took 13431.82 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 56.6 MB in the beginning and 125.3 MB in the end (delta: -68.7 MB). Peak memory consumption was 93.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:10,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.13 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 70.2 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.98 ms. Allocated memory is still 100.7 MB. Free memory was 70.2 MB in the beginning and 68.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.31 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 66.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 401.04 ms. Allocated memory is still 100.7 MB. Free memory was 66.8 MB in the beginning and 56.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13431.82 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 56.6 MB in the beginning and 125.3 MB in the end (delta: -68.7 MB). Peak memory consumption was 93.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-28 09:20:10,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:10,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:20:10,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-28 09:20:10,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-28 09:20:11,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3603e159-762b-41c2-8410-13589264ae42/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...