./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G --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 64bit --witnessprinter.graph.data.programhash 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:11:43,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:11:43,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:11:43,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:11:43,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:11:43,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:11:43,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:11:43,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:11:43,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:11:43,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:11:43,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:11:43,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:11:43,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:11:43,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:11:43,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:11:43,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:11:43,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:11:43,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:11:43,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:11:43,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:11:43,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:11:43,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:11:43,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:11:43,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:11:43,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:11:43,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:11:43,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:11:43,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:11:43,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:11:43,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:11:43,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:11:43,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:11:43,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:11:43,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:11:43,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:11:43,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:11:43,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:11:43,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:11:43,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:11:43,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:11:43,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:11:43,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 14:11:43,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:11:43,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:11:43,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:11:43,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:11:43,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:11:43,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:11:43,871 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:11:43,872 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:11:43,872 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:11:43,872 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:11:43,873 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:11:43,873 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:11:43,874 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:11:43,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:11:43,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:11:43,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:11:43,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:11:43,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:11:43,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:11:43,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:11:43,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:11:43,876 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:11:43,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:11:43,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:11:43,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:11:43,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:11:43,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:11:43,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:11:43,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:11:43,879 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:11:43,879 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_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 [2021-11-23 14:11:44,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:11:44,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:11:44,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:11:44,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:11:44,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:11:44,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2021-11-23 14:11:44,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/data/c40cd1cfc/c4c0d7c8c2c94fb9a2e67c451080bcdc/FLAGa87a63685 [2021-11-23 14:11:44,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:11:44,882 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2021-11-23 14:11:44,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/data/c40cd1cfc/c4c0d7c8c2c94fb9a2e67c451080bcdc/FLAGa87a63685 [2021-11-23 14:11:45,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/data/c40cd1cfc/c4c0d7c8c2c94fb9a2e67c451080bcdc [2021-11-23 14:11:45,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:11:45,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:11:45,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:11:45,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:11:45,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:11:45,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5bd90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45, skipping insertion in model container [2021-11-23 14:11:45,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:11:45,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:11:45,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:11:45,676 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:11:45,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:11:45,743 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:11:45,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45 WrapperNode [2021-11-23 14:11:45,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:11:45,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:11:45,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:11:45,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:11:45,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,788 INFO L137 Inliner]: procedures = 111, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-23 14:11:45,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:11:45,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:11:45,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:11:45,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:11:45,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:11:45,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:11:45,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:11:45,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:11:45,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (1/1) ... [2021-11-23 14:11:45,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:45,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:45,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:45,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:11:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:11:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:11:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:11:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:11:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:11:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:11:46,024 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:11:46,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:11:46,200 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:11:46,205 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:11:46,205 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:11:46,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:46 BoogieIcfgContainer [2021-11-23 14:11:46,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:11:46,208 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:11:46,208 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:11:46,212 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:11:46,213 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:11:46,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:11:45" (1/3) ... [2021-11-23 14:11:46,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50f7b29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:11:46, skipping insertion in model container [2021-11-23 14:11:46,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:11:46,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:45" (2/3) ... [2021-11-23 14:11:46,215 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50f7b29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:11:46, skipping insertion in model container [2021-11-23 14:11:46,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:11:46,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:46" (3/3) ... [2021-11-23 14:11:46,217 INFO L388 chiAutomizerObserver]: Analyzing ICFG c.01_assume-alloca.i [2021-11-23 14:11:46,262 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:11:46,262 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:11:46,262 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:11:46,262 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:11:46,263 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:11:46,263 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:11:46,263 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:11:46,263 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:11:46,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:11:46,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-23 14:11:46,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:11:46,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:11:46,301 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:11:46,301 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-23 14:11:46,302 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:11:46,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:11:46,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-23 14:11:46,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:11:46,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:11:46,304 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:11:46,305 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-23 14:11:46,311 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 6#L553-3true [2021-11-23 14:11:46,312 INFO L793 eck$LassoCheckResult]: Loop: 6#L553-3true call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 9#L553-1true assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 10#L555-5true assume !true; 12#L555-6true call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 6#L553-3true [2021-11-23 14:11:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:46,318 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 14:11:46,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:11:46,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674450193] [2021-11-23 14:11:46,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:11:46,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:11:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,434 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:11:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:11:46,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:46,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1144712, now seen corresponding path program 1 times [2021-11-23 14:11:46,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:11:46,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833166274] [2021-11-23 14:11:46,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:11:46,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:11:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:11:46,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:11:46,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833166274] [2021-11-23 14:11:46,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833166274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:11:46,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:11:46,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:11:46,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084446859] [2021-11-23 14:11:46,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:11:46,535 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:11:46,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:11:46,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:11:46,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:11:46,570 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:11:46,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:11:46,577 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-11-23 14:11:46,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:11:46,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-11-23 14:11:46,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-23 14:11:46,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 11 transitions. [2021-11-23 14:11:46,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-23 14:11:46,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-23 14:11:46,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-11-23 14:11:46,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:11:46,589 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-23 14:11:46,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-11-23 14:11:46,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-23 14:11:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:11:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-23 14:11:46,631 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-23 14:11:46,631 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-23 14:11:46,631 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:11:46,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-11-23 14:11:46,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-23 14:11:46,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:11:46,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:11:46,633 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:11:46,633 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-23 14:11:46,634 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 41#L553-3 [2021-11-23 14:11:46,634 INFO L793 eck$LassoCheckResult]: Loop: 41#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 43#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 42#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 44#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 38#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 39#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 41#L553-3 [2021-11-23 14:11:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:46,635 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-23 14:11:46,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:11:46,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174875800] [2021-11-23 14:11:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:11:46,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:11:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,653 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:11:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,673 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:11:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:46,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1099516500, now seen corresponding path program 1 times [2021-11-23 14:11:46,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:11:46,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683571996] [2021-11-23 14:11:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:11:46,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:11:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:11:46,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:11:46,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683571996] [2021-11-23 14:11:46,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683571996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:11:46,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:11:46,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:11:46,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820334012] [2021-11-23 14:11:46,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:11:46,741 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:11:46,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:11:46,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:11:46,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:11:46,742 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:11:46,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:11:46,817 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2021-11-23 14:11:46,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:11:46,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2021-11-23 14:11:46,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-11-23 14:11:46,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2021-11-23 14:11:46,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-23 14:11:46,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-23 14:11:46,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-11-23 14:11:46,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:11:46,821 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-23 14:11:46,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-11-23 14:11:46,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2021-11-23 14:11:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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) [2021-11-23 14:11:46,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-23 14:11:46,823 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-23 14:11:46,823 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-23 14:11:46,823 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 14:11:46,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-11-23 14:11:46,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-23 14:11:46,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:11:46,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:11:46,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:11:46,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-23 14:11:46,825 INFO L791 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 77#L553-3 [2021-11-23 14:11:46,825 INFO L793 eck$LassoCheckResult]: Loop: 77#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 78#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 80#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 81#L555-1 assume !test_fun_#t~short8#1; 83#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 76#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 77#L553-3 [2021-11-23 14:11:46,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:46,826 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2021-11-23 14:11:46,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:11:46,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686813901] [2021-11-23 14:11:46,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:11:46,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:11:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:11:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:11:46,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:46,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1099518422, now seen corresponding path program 1 times [2021-11-23 14:11:46,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:11:46,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215171788] [2021-11-23 14:11:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:11:46,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:11:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,870 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:11:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,883 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:11:46,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:46,884 INFO L85 PathProgramCache]: Analyzing trace with hash 179567640, now seen corresponding path program 1 times [2021-11-23 14:11:46,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:11:46,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153242966] [2021-11-23 14:11:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:11:46,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:11:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,902 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:11:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:11:46,932 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:11:47,663 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:11:47,664 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:11:47,664 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:11:47,665 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:11:47,665 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:11:47,665 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:47,665 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:11:47,665 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:11:47,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration3_Lasso [2021-11-23 14:11:47,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:11:47,666 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:11:47,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:47,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:48,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:48,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:48,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:48,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:11:48,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:11:48,448 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:11:48,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,460 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 [2021-11-23 14:11:48,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:11:48,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:48,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:48,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:48,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,533 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 [2021-11-23 14:11:48,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:48,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:48,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:48,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:11:48,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:11:48,604 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 [2021-11-23 14:11:48,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:48,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:48,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:48,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:11:48,667 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 [2021-11-23 14:11:48,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:48,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:48,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,743 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 [2021-11-23 14:11:48,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:48,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:48,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:11:48,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,807 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,813 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 [2021-11-23 14:11:48,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:48,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:48,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:48,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 14:11:48,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,850 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 14:11:48,854 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 [2021-11-23 14:11:48,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:48,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:48,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:48,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,906 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 14:11:48,908 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 [2021-11-23 14:11:48,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:48,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:48,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:48,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,958 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 14:11:48,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:11:48,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:48,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:48,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:48,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:48,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:48,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:48,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:48,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:48,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-23 14:11:48,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:48,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:48,996 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:48,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 14:11:48,999 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 [2021-11-23 14:11:49,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:49,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:49,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:49,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-11-23 14:11:49,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,030 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 14:11:49,032 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 [2021-11-23 14:11:49,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:49,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:49,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:49,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,099 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 14:11:49,103 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 [2021-11-23 14:11:49,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:49,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:49,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:49,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-23 14:11:49,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,136 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 14:11:49,142 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 [2021-11-23 14:11:49,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:49,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:49,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:49,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:49,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,181 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 14:11:49,183 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 [2021-11-23 14:11:49,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:49,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:49,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:49,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,265 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 14:11:49,269 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 [2021-11-23 14:11:49,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:11:49,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:11:49,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:11:49,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:49,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,303 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 14:11:49,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:11:49,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:49,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:49,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:49,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,373 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 14:11:49,375 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 [2021-11-23 14:11:49,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:49,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:49,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:11:49,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:49,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,466 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 14:11:49,477 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 [2021-11-23 14:11:49,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:11:49,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:11:49,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:11:49,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:11:49,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:11:49,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:11:49,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:11:49,551 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-23 14:11:49,552 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-11-23 14:11:49,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:11:49,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:11:49,561 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:11:49,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 14:11:49,601 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:11:49,628 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 14:11:49,628 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:11:49,629 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 + 1 Supporting invariants [] [2021-11-23 14:11:49,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:49,707 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-11-23 14:11:49,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:49,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:11:49,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:49,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:11:49,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:49,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-23 14:11:49,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 14:11:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:11:50,074 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:11:50,075 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,157 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 24 states and 31 transitions. Complement of second has 6 states. [2021-11-23 14:11:50,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 14:11:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-23 14:11:50,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-23 14:11:50,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:11:50,167 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:11:50,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:50,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-23 14:11:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:11:50,385 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:11:50,385 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,436 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 24 states and 31 transitions. Complement of second has 6 states. [2021-11-23 14:11:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 14:11:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-23 14:11:50,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-23 14:11:50,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:11:50,440 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:11:50,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:50,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-23 14:11:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:11:50,644 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:11:50,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 24 states and 31 transitions. Complement of second has 6 states. [2021-11-23 14:11:50,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 14:11:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-11-23 14:11:50,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-23 14:11:50,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:11:50,703 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:11:50,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:50,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-23 14:11:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:11:50,875 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:11:50,875 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,934 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 24 states and 31 transitions. Complement of second has 6 states. [2021-11-23 14:11:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 14:11:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-11-23 14:11:50,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-23 14:11:50,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:11:50,940 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:11:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:11:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:11:50,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:11:50,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:11:51,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-23 14:11:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:11:51,096 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:11:51,097 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:51,201 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 57 states and 88 transitions. Complement of second has 16 states 6 powerset states10 rank states. The highest rank that occured is 3 [2021-11-23 14:11:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-23 14:11:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-23 14:11:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-11-23 14:11:51,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-23 14:11:51,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:11:51,207 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:11:51,207 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) 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) [2021-11-23 14:11:51,223 INFO L158 Benchmark]: Toolchain (without parser) took 5978.96ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 46.5MB in the beginning and 77.1MB in the end (delta: -30.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 14:11:51,224 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:11:51,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.12ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 71.1MB in the end (delta: -24.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 14:11:51,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.89ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 69.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:11:51,226 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 100.7MB. Free memory was 69.4MB in the beginning and 68.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:11:51,231 INFO L158 Benchmark]: RCFGBuilder took 391.37ms. Allocated memory is still 100.7MB. Free memory was 68.3MB in the beginning and 56.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 14:11:51,232 INFO L158 Benchmark]: BuchiAutomizer took 5005.24ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 77.1MB in the end (delta: -20.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-23 14:11:51,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.12ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 71.1MB in the end (delta: -24.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.89ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 69.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 100.7MB. Free memory was 69.4MB in the beginning and 68.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.37ms. Allocated memory is still 100.7MB. Free memory was 68.3MB in the beginning and 56.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5005.24ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 77.1MB in the end (delta: -20.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 14:11:51,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b788d23e-bfc4-4798-9580-95a49be3716d/bin/uautomizer-wIGwrQj20G/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient