./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be --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 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/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-e943c26 [2021-10-21 20:02:04,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:02:04,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:02:04,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:02:04,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:02:04,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:02:04,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:02:04,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:02:04,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:02:04,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:02:04,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:02:04,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:02:04,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:02:04,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:02:04,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:02:04,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:02:04,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:02:04,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:02:04,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:02:04,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:02:04,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:02:04,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:02:04,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:02:04,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:02:04,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:02:04,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:02:04,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:02:04,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:02:04,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:02:04,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:02:04,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:02:04,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:02:04,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:02:04,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:02:04,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:02:04,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:02:04,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:02:04,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:02:04,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:02:04,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:02:04,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:02:04,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:02:04,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:02:04,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:02:04,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:02:04,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:02:04,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:02:04,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:02:04,859 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:02:04,859 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:02:04,860 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:02:04,860 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:02:04,861 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:02:04,862 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:02:04,862 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:02:04,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:02:04,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:02:04,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:02:04,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:02:04,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:02:04,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:02:04,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:02:04,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:02:04,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:02:04,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:02:04,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:02:04,865 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:02:04,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:02:04,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:02:04,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:02:04,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:02:04,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:02:04,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:02:04,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:02:04,870 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:02:04,871 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_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b [2021-10-21 20:02:05,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:02:05,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:02:05,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:02:05,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:02:05,276 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:02:05,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-21 20:02:05,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/data/6f62032b1/e3c8ad977bba40379a608f8cc3d256e7/FLAG457b69d9d [2021-10-21 20:02:05,992 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:02:05,993 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-21 20:02:06,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/data/6f62032b1/e3c8ad977bba40379a608f8cc3d256e7/FLAG457b69d9d [2021-10-21 20:02:06,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/data/6f62032b1/e3c8ad977bba40379a608f8cc3d256e7 [2021-10-21 20:02:06,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:02:06,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:02:06,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:06,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:02:06,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:02:06,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:06,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e58b096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06, skipping insertion in model container [2021-10-21 20:02:06,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:06,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:02:06,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:02:06,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:06,748 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:02:06,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:06,878 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:02:06,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06 WrapperNode [2021-10-21 20:02:06,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:06,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:06,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:02:06,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:02:06,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:06,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:06,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:06,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:02:06,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:02:06,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:02:06,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:06,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:06,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:07,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:07,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:07,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:07,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:07,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:02:07,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:02:07,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:02:07,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:02:07,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (1/1) ... [2021-10-21 20:02:07,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:07,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:07,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:07,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:02:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-21 20:02:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 20:02:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:02:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 20:02:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 20:02:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:02:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:02:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:02:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:02:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:02:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:02:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-21 20:02:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:02:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:02:07,411 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:02:07,481 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:02:07,481 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 20:02:07,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:07 BoogieIcfgContainer [2021-10-21 20:02:07,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:02:07,485 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:02:07,485 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:02:07,490 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:02:07,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:02:07,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:02:06" (1/3) ... [2021-10-21 20:02:07,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d3f6fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:02:07, skipping insertion in model container [2021-10-21 20:02:07,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:02:07,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:06" (2/3) ... [2021-10-21 20:02:07,494 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d3f6fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:02:07, skipping insertion in model container [2021-10-21 20:02:07,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:02:07,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:07" (3/3) ... [2021-10-21 20:02:07,496 INFO L389 chiAutomizerObserver]: Analyzing ICFG test-memleak_nexttime.i [2021-10-21 20:02:07,569 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:02:07,569 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:02:07,585 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:02:07,585 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:02:07,586 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:02:07,586 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:02:07,586 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:02:07,586 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:02:07,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-21 20:02:07,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-21 20:02:07,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:07,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:07,686 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:02:07,686 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:02:07,687 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:02:07,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-21 20:02:07,691 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-21 20:02:07,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:07,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:07,692 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:02:07,692 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:02:07,700 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 8#L644true call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 9##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 7#$Ultimate##0true #t~loopctr10 := 0; 5#L-1-1true [2021-10-21 20:02:07,700 INFO L793 eck$LassoCheckResult]: Loop: 5#L-1-1true assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 5#L-1-1true [2021-10-21 20:02:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:07,748 INFO L82 PathProgramCache]: Analyzing trace with hash 28715065, now seen corresponding path program 1 times [2021-10-21 20:02:07,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:07,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137535795] [2021-10-21 20:02:07,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:07,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:07,998 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:08,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:08,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:08,106 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times [2021-10-21 20:02:08,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:08,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163004952] [2021-10-21 20:02:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:08,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:08,119 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:08,129 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:08,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:08,132 INFO L82 PathProgramCache]: Analyzing trace with hash 890167032, now seen corresponding path program 1 times [2021-10-21 20:02:08,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:08,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261940821] [2021-10-21 20:02:08,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:08,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:08,171 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:08,236 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:11,084 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:02:11,085 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:02:11,085 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:02:11,085 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:02:11,085 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:02:11,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:11,086 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:02:11,086 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:02:11,086 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration1_Lasso [2021-10-21 20:02:11,086 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:02:11,086 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:02:11,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:11,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:12,557 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:02:12,562 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:02:12,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:12,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:12,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:12,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:02:12,582 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 [2021-10-21 20:02:12,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:12,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:12,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:12,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:12,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:12,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:12,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:12,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:12,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 20:02:12,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:12,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:12,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:12,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:02:12,670 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 [2021-10-21 20:02:12,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:12,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:12,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:12,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:12,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:12,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:12,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:12,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:12,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:12,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:12,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:12,725 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:12,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:02:12,727 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 [2021-10-21 20:02:12,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:12,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:12,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:12,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:12,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:12,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:12,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:12,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:12,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:12,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:12,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:12,809 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:12,819 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 [2021-10-21 20:02:12,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:12,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:02:12,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:12,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:12,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:12,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:02:12,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:02:12,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:02:12,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:12,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:12,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:12,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:12,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:12,898 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 [2021-10-21 20:02:12,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:12,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:12,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:12,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:12,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:02:12,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:12,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:12,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:12,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-21 20:02:12,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:12,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:12,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:12,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:02:12,988 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 [2021-10-21 20:02:12,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:12,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:12,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:12,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,074 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:02:13,078 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 [2021-10-21 20:02:13,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,148 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:02:13,149 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 [2021-10-21 20:02:13,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 20:02:13,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,201 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:02:13,203 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 [2021-10-21 20:02:13,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,247 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:02:13,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:02:13,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,335 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:02:13,337 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 [2021-10-21 20:02:13,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,374 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:02:13,375 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 [2021-10-21 20:02:13,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,417 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:02:13,418 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 [2021-10-21 20:02:13,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,481 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,484 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 [2021-10-21 20:02:13,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:02:13,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,521 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:02:13,526 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 [2021-10-21 20:02:13,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,563 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:02:13,567 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 [2021-10-21 20:02:13,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,602 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:02:13,604 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 [2021-10-21 20:02:13,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:02:13,681 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 [2021-10-21 20:02:13,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,755 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,760 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 [2021-10-21 20:02:13,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:02:13,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-10-21 20:02:13,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,814 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:02:13,816 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 [2021-10-21 20:02:13,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:13,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,873 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:02:13,874 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 [2021-10-21 20:02:13,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:02:13,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-21 20:02:13,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:13,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:13,929 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:13,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:02:13,932 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 [2021-10-21 20:02:13,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:02:13,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:02:13,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:02:13,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:02:13,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:02:13,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:02:13,993 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:02:14,044 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-21 20:02:14,044 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-21 20:02:14,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:14,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:14,051 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:14,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:02:14,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:02:14,099 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:02:14,099 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:02:14,100 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr10) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr10 Supporting invariants [] [2021-10-21 20:02:14,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:14,336 INFO L297 tatePredicateManager]: 29 out of 29 supporting invariants were superfluous and have been removed [2021-10-21 20:02:14,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:14,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:02:14,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:14,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:02:14,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:14,494 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-21 20:02:14,496 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:02:14,569 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 34 transitions. Complement of second has 6 states. [2021-10-21 20:02:14,570 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 [2021-10-21 20:02:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:02:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-10-21 20:02:14,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 20:02:14,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:02:14,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2021-10-21 20:02:14,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:02:14,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:02:14,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:02:14,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-10-21 20:02:14,583 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:14,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 18 states and 23 transitions. [2021-10-21 20:02:14,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-21 20:02:14,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:02:14,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2021-10-21 20:02:14,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:02:14,593 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-21 20:02:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2021-10-21 20:02:14,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-21 20:02:14,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 20:02:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-10-21 20:02:14,623 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-21 20:02:14,623 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-21 20:02:14,624 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:02:14,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-10-21 20:02:14,631 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:14,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:14,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:14,635 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:02:14,636 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:02:14,636 INFO L791 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 209#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 206#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 213##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 217#$Ultimate##0 #t~loopctr10 := 0; 216#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 207#L-1-3 [2021-10-21 20:02:14,636 INFO L793 eck$LassoCheckResult]: Loop: 207#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 207#L-1-3 [2021-10-21 20:02:14,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:14,638 INFO L82 PathProgramCache]: Analyzing trace with hash 890167034, now seen corresponding path program 1 times [2021-10-21 20:02:14,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:14,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118178164] [2021-10-21 20:02:14,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:14,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:14,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:14,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118178164] [2021-10-21 20:02:14,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118178164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:14,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:14,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:02:14,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615703942] [2021-10-21 20:02:14,794 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:02:14,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:14,795 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2021-10-21 20:02:14,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:14,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286698874] [2021-10-21 20:02:14,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:14,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:14,810 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:14,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:14,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:14,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:02:14,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:02:14,900 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:02:14,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:14,931 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2021-10-21 20:02:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:02:14,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-10-21 20:02:14,935 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:14,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2021-10-21 20:02:14,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:02:14,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:02:14,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-21 20:02:14,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:02:14,938 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-21 20:02:14,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-21 20:02:14,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-21 20:02:14,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 20:02:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-21 20:02:14,943 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-21 20:02:14,943 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-21 20:02:14,943 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:02:14,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2021-10-21 20:02:14,945 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:14,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:14,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:14,948 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:14,948 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:02:14,948 INFO L791 eck$LassoCheckResult]: Stem: 245#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 246#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 250#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 255##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 260#$Ultimate##0 #t~loopctr10 := 0; 259#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 249#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 251#L-1-3 [2021-10-21 20:02:14,949 INFO L793 eck$LassoCheckResult]: Loop: 251#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 251#L-1-3 [2021-10-21 20:02:14,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:14,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1825374235, now seen corresponding path program 1 times [2021-10-21 20:02:14,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:14,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107895022] [2021-10-21 20:02:14,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:14,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:15,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:15,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107895022] [2021-10-21 20:02:15,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107895022] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:15,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520547558] [2021-10-21 20:02:15,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:15,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:15,038 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:15,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-21 20:02:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:15,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:02:15,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:15,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520547558] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:15,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:02:15,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-21 20:02:15,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525931579] [2021-10-21 20:02:15,186 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:02:15,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:15,187 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 2 times [2021-10-21 20:02:15,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:15,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622045245] [2021-10-21 20:02:15,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:15,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:15,208 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:15,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:15,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:15,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:02:15,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:02:15,293 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 7 Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:02:15,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:15,340 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-10-21 20:02:15,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:02:15,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-10-21 20:02:15,341 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:15,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2021-10-21 20:02:15,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-21 20:02:15,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 20:02:15,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-10-21 20:02:15,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:02:15,344 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-21 20:02:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-10-21 20:02:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-21 20:02:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 20:02:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-10-21 20:02:15,347 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-21 20:02:15,347 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-21 20:02:15,347 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:02:15,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-10-21 20:02:15,348 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:15,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:15,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:15,349 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:15,349 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:02:15,349 INFO L791 eck$LassoCheckResult]: Stem: 312#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 313#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 317#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 322##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 328#$Ultimate##0 #t~loopctr10 := 0; 327#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 316#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 318#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 326#L-1-3 [2021-10-21 20:02:15,349 INFO L793 eck$LassoCheckResult]: Loop: 326#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 326#L-1-3 [2021-10-21 20:02:15,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:15,350 INFO L82 PathProgramCache]: Analyzing trace with hash 752026394, now seen corresponding path program 2 times [2021-10-21 20:02:15,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:15,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382485061] [2021-10-21 20:02:15,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:15,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:15,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:15,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382485061] [2021-10-21 20:02:15,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382485061] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:15,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119339847] [2021-10-21 20:02:15,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:02:15,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:15,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:15,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:15,448 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:15,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-21 20:02:15,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:02:15,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:02:15,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:02:15,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:15,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119339847] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:15,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:02:15,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-21 20:02:15,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717487312] [2021-10-21 20:02:15,606 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:02:15,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:15,606 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 3 times [2021-10-21 20:02:15,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:15,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856122924] [2021-10-21 20:02:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:15,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:15,612 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:15,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:15,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:15,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 20:02:15,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:02:15,705 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:02:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:15,756 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2021-10-21 20:02:15,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:02:15,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2021-10-21 20:02:15,758 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:15,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2021-10-21 20:02:15,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 20:02:15,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 20:02:15,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2021-10-21 20:02:15,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:02:15,759 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-21 20:02:15,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2021-10-21 20:02:15,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-21 20:02:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 20:02:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-10-21 20:02:15,762 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-21 20:02:15,762 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-21 20:02:15,762 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:02:15,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2021-10-21 20:02:15,763 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:15,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:15,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:15,764 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:15,764 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:02:15,764 INFO L791 eck$LassoCheckResult]: Stem: 393#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 394#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 391#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 398##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 407#$Ultimate##0 #t~loopctr10 := 0; 405#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 390#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 392#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 403#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 402#L-1-3 [2021-10-21 20:02:15,764 INFO L793 eck$LassoCheckResult]: Loop: 402#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 402#L-1-3 [2021-10-21 20:02:15,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:15,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1837981691, now seen corresponding path program 3 times [2021-10-21 20:02:15,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:15,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994403042] [2021-10-21 20:02:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:15,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:15,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:02:15,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994403042] [2021-10-21 20:02:15,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994403042] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:15,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194660800] [2021-10-21 20:02:15,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 20:02:15,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:02:15,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:15,866 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:02:15,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-21 20:02:15,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-21 20:02:15,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:02:15,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:02:15,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:16,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194660800] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:02:16,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:02:16,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-21 20:02:16,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105713703] [2021-10-21 20:02:16,090 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:02:16,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:16,090 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 4 times [2021-10-21 20:02:16,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:16,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792792554] [2021-10-21 20:02:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:16,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,104 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:16,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:02:16,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-21 20:02:16,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:02:16,186 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:02:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:16,235 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2021-10-21 20:02:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:02:16,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-10-21 20:02:16,239 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:16,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2021-10-21 20:02:16,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-21 20:02:16,240 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-21 20:02:16,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2021-10-21 20:02:16,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:02:16,241 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-21 20:02:16,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2021-10-21 20:02:16,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-21 20:02:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 20:02:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-10-21 20:02:16,246 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-21 20:02:16,246 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-21 20:02:16,246 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:02:16,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2021-10-21 20:02:16,247 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-21 20:02:16,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:02:16,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:02:16,248 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:16,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:02:16,248 INFO L791 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 479#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 476#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 483##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 493#$Ultimate##0 #t~loopctr10 := 0; 491#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 475#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 477#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 489#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 488#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 487#L-1-3 [2021-10-21 20:02:16,248 INFO L793 eck$LassoCheckResult]: Loop: 487#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 487#L-1-3 [2021-10-21 20:02:16,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:16,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1142857530, now seen corresponding path program 4 times [2021-10-21 20:02:16,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:16,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748246758] [2021-10-21 20:02:16,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:16,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,274 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:16,312 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 5 times [2021-10-21 20:02:16,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:16,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49916531] [2021-10-21 20:02:16,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:16,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,320 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:16,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:16,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1068845085, now seen corresponding path program 1 times [2021-10-21 20:02:16,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:16,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366066454] [2021-10-21 20:02:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:16,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,379 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:16,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:22,927 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:02:22,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:02:22,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:02:22,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:02:22,928 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:02:22,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:02:22,928 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:02:22,928 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:02:22,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration6_Lasso [2021-10-21 20:02:22,928 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:02:22,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:02:22,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:22,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:02:24,044 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) [2021-10-21 20:02:24,048 INFO L168 Benchmark]: Toolchain (without parser) took 17783.17 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 48.5 MB in the beginning and 74.7 MB in the end (delta: -26.2 MB). Peak memory consumption was 64.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:24,049 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 83.9 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:02:24,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.56 ms. Allocated memory is still 83.9 MB. Free memory was 48.3 MB in the beginning and 52.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:24,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.82 ms. Allocated memory is still 83.9 MB. Free memory was 52.2 MB in the beginning and 50.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:24,050 INFO L168 Benchmark]: Boogie Preprocessor took 63.48 ms. Allocated memory is still 83.9 MB. Free memory was 50.1 MB in the beginning and 48.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:24,051 INFO L168 Benchmark]: RCFGBuilder took 445.49 ms. Allocated memory is still 83.9 MB. Free memory was 48.8 MB in the beginning and 37.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:24,051 INFO L168 Benchmark]: BuchiAutomizer took 16562.23 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 37.2 MB in the beginning and 74.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:24,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 83.9 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.56 ms. Allocated memory is still 83.9 MB. Free memory was 48.3 MB in the beginning and 52.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.82 ms. Allocated memory is still 83.9 MB. Free memory was 52.2 MB in the beginning and 50.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.48 ms. Allocated memory is still 83.9 MB. Free memory was 50.1 MB in the beginning and 48.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 445.49 ms. Allocated memory is still 83.9 MB. Free memory was 48.8 MB in the beginning and 37.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16562.23 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 37.2 MB in the beginning and 74.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 56.8 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. [2021-10-21 20:02:24,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-21 20:02:24,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-10-21 20:02:24,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:24,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4baf1cb0-cd7a-4a3d-96b3-356d3eea93c3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...