./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1df58a12292e53aa25870e709e17978d63a0e61d4dd56fb439981d66ecb6b925 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:35:20,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:35:20,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:35:20,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:35:20,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:35:20,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:35:20,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:35:20,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:35:20,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:35:20,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:35:20,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:35:20,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:35:20,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:35:20,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:35:20,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:35:20,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:35:20,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:35:20,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:35:20,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:35:20,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:35:20,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:35:20,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:35:20,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:35:20,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:35:20,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:35:20,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:35:20,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:35:20,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:35:20,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:35:20,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:35:20,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:35:20,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:35:20,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:35:20,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:35:20,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:35:20,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:35:20,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:35:20,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:35:20,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:35:20,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:35:20,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:35:20,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:35:20,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:35:20,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:35:20,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:35:20,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:35:20,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:35:20,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:35:20,830 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:35:20,830 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:35:20,830 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:35:20,830 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:35:20,830 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:35:20,831 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:35:20,831 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:35:20,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:35:20,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:35:20,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:35:20,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:35:20,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:35:20,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:35:20,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:35:20,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:35:20,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:35:20,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:35:20,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:35:20,841 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:35:20,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:35:20,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:35:20,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:35:20,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:35:20,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:35:20,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:35:20,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:35:20,843 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:35:20,844 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_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df58a12292e53aa25870e709e17978d63a0e61d4dd56fb439981d66ecb6b925 [2021-10-28 08:35:21,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:35:21,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:35:21,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:35:21,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:35:21,192 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:35:21,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2021-10-28 08:35:21,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/data/f0c7ac9b2/e23cab655208482082d9ef81cc3fac87/FLAG2dbd7b463 [2021-10-28 08:35:21,816 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:35:21,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2021-10-28 08:35:21,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/data/f0c7ac9b2/e23cab655208482082d9ef81cc3fac87/FLAG2dbd7b463 [2021-10-28 08:35:22,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/data/f0c7ac9b2/e23cab655208482082d9ef81cc3fac87 [2021-10-28 08:35:22,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:35:22,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:35:22,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:35:22,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:35:22,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:35:22,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc99fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22, skipping insertion in model container [2021-10-28 08:35:22,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:35:22,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:35:22,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:35:22,652 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:35:22,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:35:22,770 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:35:22,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22 WrapperNode [2021-10-28 08:35:22,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:35:22,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:35:22,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:35:22,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:35:22,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:35:22,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:35:22,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:35:22,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:35:22,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:35:22,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:35:22,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:35:22,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:35:22,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (1/1) ... [2021-10-28 08:35:22,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:22,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:22,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:22,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:35:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 08:35:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 08:35:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:35:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 08:35:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:35:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:35:23,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:35:23,180 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 08:35:23,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:23 BoogieIcfgContainer [2021-10-28 08:35:23,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:35:23,183 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:35:23,183 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:35:23,186 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:35:23,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:35:23,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:35:22" (1/3) ... [2021-10-28 08:35:23,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20fb0ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:35:23, skipping insertion in model container [2021-10-28 08:35:23,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:35:23,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:35:22" (2/3) ... [2021-10-28 08:35:23,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20fb0ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:35:23, skipping insertion in model container [2021-10-28 08:35:23,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:35:23,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:23" (3/3) ... [2021-10-28 08:35:23,191 INFO L389 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_3.i [2021-10-28 08:35:23,234 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:35:23,234 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:35:23,234 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:35:23,234 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:35:23,234 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:35:23,235 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:35:23,235 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:35:23,235 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:35:23,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:23,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:35:23,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:35:23,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:35:23,279 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 08:35:23,279 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:35:23,279 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:35:23,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:23,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:35:23,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:35:23,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:35:23,281 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 08:35:23,281 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:35:23,285 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 12#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 5#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 11#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0; 8#L765true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 13#L766-3true [2021-10-28 08:35:23,286 INFO L793 eck$LassoCheckResult]: Loop: 13#L766-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 9#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 10#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset;call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 6#L766-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 13#L766-3true [2021-10-28 08:35:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:23,292 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-10-28 08:35:23,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:23,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462265399] [2021-10-28 08:35:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:23,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:23,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:23,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462265399] [2021-10-28 08:35:23,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462265399] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:23,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:23,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:35:23,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660678912] [2021-10-28 08:35:23,511 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:35:23,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:23,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2021-10-28 08:35:23,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:23,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698571410] [2021-10-28 08:35:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:23,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:23,532 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:35:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:23,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:35:23,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:23,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:35:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:35:23,890 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:23,933 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2021-10-28 08:35:23,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:35:23,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2021-10-28 08:35:23,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 08:35:23,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 12 states and 13 transitions. [2021-10-28 08:35:23,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 08:35:23,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 08:35:23,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2021-10-28 08:35:23,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:35:23,943 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-10-28 08:35:23,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2021-10-28 08:35:23,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 9. [2021-10-28 08:35:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-10-28 08:35:23,968 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-10-28 08:35:23,968 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-10-28 08:35:23,968 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:35:23,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2021-10-28 08:35:23,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:35:23,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:35:23,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:35:23,970 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 08:35:23,970 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:35:23,971 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 46#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 47#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 48#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0; 51#L765 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 50#L766-3 [2021-10-28 08:35:23,971 INFO L793 eck$LassoCheckResult]: Loop: 50#L766-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 52#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset;havoc ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 53#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset;call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 49#L766-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 50#L766-3 [2021-10-28 08:35:23,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2021-10-28 08:35:23,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:23,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643962365] [2021-10-28 08:35:23,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:23,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:23,989 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:35:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:24,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:35:24,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:24,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 2 times [2021-10-28 08:35:24,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:24,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286761721] [2021-10-28 08:35:24,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:24,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:24,033 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:35:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:24,052 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:35:24,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:24,053 INFO L85 PathProgramCache]: Analyzing trace with hash -592037012, now seen corresponding path program 1 times [2021-10-28 08:35:24,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:24,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761039064] [2021-10-28 08:35:24,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:24,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:24,111 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:35:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:35:24,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:35:24,845 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:35:24,846 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:35:24,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:35:24,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:35:24,846 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:35:24,846 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:24,847 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:35:24,847 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:35:24,847 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_3.i_Iteration2_Lasso [2021-10-28 08:35:24,847 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:35:24,847 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:35:24,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:24,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:24,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:24,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:35:25,685 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:35:25,692 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:35:25,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:25,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:25,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:25,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:25,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:25,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:25,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:25,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:25,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:35:25,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:35:25,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:35:25,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:25,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 08:35:25,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:25,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:25,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:25,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:25,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:25,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:35:25,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:25,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:25,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:25,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:35:25,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:35:25,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:35:25,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:25,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:25,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:25,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:25,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:25,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:25,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:25,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:35:25,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:25,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:25,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:25,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:35:25,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:35:25,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:35:25,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:25,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:25,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:25,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:25,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:25,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:35:25,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:25,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:25,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:25,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:25,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:25,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:35:25,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:35:25,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:25,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:25,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:25,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:25,999 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:26,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:26,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:35:26,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:26,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:26,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:26,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:26,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:35:26,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:35:26,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:26,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:26,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:26,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:26,050 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:26,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:35:26,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:26,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:26,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:35:26,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:26,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:26,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:26,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:35:26,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:35:26,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:26,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:26,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:26,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:26,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:26,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:35:26,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:26,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:26,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:35:26,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:26,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:26,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:26,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:35:26,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:35:26,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:26,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:26,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:26,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:26,131 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:26,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:35:26,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:26,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:26,141 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 08:35:26,141 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:35:26,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:26,186 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-10-28 08:35:26,186 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 08:35:26,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:35:26,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:26,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:26,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:26,258 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:26,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:35:26,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:35:26,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:35:26,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:35:26,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:35:26,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:35:26,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:35:26,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:35:26,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:35:26,344 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-28 08:35:26,344 INFO L444 ModelExtractionUtils]: 18 out of 40 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-10-28 08:35:26,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:35:26,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:26,359 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:35:26,382 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:35:26,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:35:26,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:35:26,413 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:35:26,413 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~0) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~0 Supporting invariants [] [2021-10-28 08:35:26,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:26,503 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 08:35:26,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:26,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:35:26,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:35:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:26,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:35:26,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:35:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:26,642 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 08:35:26,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:26,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 16 transitions. Complement of second has 4 states. [2021-10-28 08:35:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 08:35:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-10-28 08:35:26,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 08:35:26,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:35:26,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-28 08:35:26,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:35:26,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-28 08:35:26,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:35:26,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-10-28 08:35:26,685 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:35:26,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-10-28 08:35:26,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:35:26,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:35:26,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:35:26,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:35:26,686 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:35:26,686 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:35:26,686 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:35:26,686 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:35:26,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:35:26,687 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:35:26,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:35:26,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:35:26 BoogieIcfgContainer [2021-10-28 08:35:26,692 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:35:26,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:35:26,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:35:26,693 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:35:26,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:23" (3/4) ... [2021-10-28 08:35:26,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:35:26,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:35:26,700 INFO L168 Benchmark]: Toolchain (without parser) took 4606.37 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 79.8 MB in the beginning and 86.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:26,700 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 119.5 MB. Free memory was 97.7 MB in the beginning and 97.6 MB in the end (delta: 93.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:35:26,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.36 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 83.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:26,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.22 ms. Allocated memory is still 119.5 MB. Free memory was 83.1 MB in the beginning and 81.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:26,702 INFO L168 Benchmark]: Boogie Preprocessor took 32.48 ms. Allocated memory is still 119.5 MB. Free memory was 81.0 MB in the beginning and 80.0 MB in the end (delta: 971.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:26,703 INFO L168 Benchmark]: RCFGBuilder took 326.40 ms. Allocated memory is still 119.5 MB. Free memory was 80.0 MB in the beginning and 69.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:26,704 INFO L168 Benchmark]: BuchiAutomizer took 3509.87 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 69.5 MB in the beginning and 86.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:26,704 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 169.9 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:35:26,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 119.5 MB. Free memory was 97.7 MB in the beginning and 97.6 MB in the end (delta: 93.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 677.36 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 83.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.22 ms. Allocated memory is still 119.5 MB. Free memory was 83.1 MB in the beginning and 81.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.48 ms. Allocated memory is still 119.5 MB. Free memory was 81.0 MB in the beginning and 80.0 MB in the end (delta: 971.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 326.40 ms. Allocated memory is still 119.5 MB. Free memory was 80.0 MB in the beginning and 69.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3509.87 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 69.5 MB in the beginning and 86.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.10 ms. Allocated memory is still 169.9 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 19 SDslu, 21 SDs, 0 SdLazy, 20 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital241 mio100 ax112 hnf101 lsp85 ukn62 mio100 lsp57 div100 bol100 ite100 ukn100 eq198 hnf88 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 95ms VariablesStem: 6 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:35:26,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:35:26,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71c5adf-01a8-4bd6-a17a-13800344c7a2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...