./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_nondet.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_nondet.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7401142dde22248f078fa0bb75fb54c80144fd4 .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:58:33,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:58:33,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:58:33,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:58:33,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:58:33,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:58:33,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:58:33,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:58:33,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:58:33,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:58:33,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:58:33,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:58:33,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:58:33,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:58:33,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:58:33,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:58:34,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:58:34,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:58:34,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:58:34,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:58:34,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:58:34,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:58:34,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:58:34,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:58:34,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:58:34,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:58:34,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:58:34,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:58:34,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:58:34,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:58:34,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:58:34,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:58:34,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:58:34,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:58:34,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:58:34,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:58:34,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:58:34,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:58:34,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:58:34,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:58:34,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:58:34,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:58:34,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:58:34,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:58:34,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:58:34,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:58:34,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:58:34,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:58:34,072 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:58:34,072 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:58:34,072 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:58:34,073 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:58:34,073 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:58:34,073 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:58:34,073 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:58:34,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:58:34,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:58:34,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:58:34,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:58:34,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:58:34,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:58:34,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:58:34,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:58:34,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:58:34,080 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:58:34,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:58:34,081 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:58:34,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:58:34,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:58:34,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:58:34,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:58:34,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:58:34,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:58:34,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:58:34,083 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:58:34,083 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_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7401142dde22248f078fa0bb75fb54c80144fd4 [2021-10-13 00:58:34,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:58:34,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:58:34,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:58:34,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:58:34,333 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:58:34,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/loop-new/count_by_nondet.i [2021-10-13 00:58:34,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/data/d85fa3257/fd8af38b9b8b40bdb75165822759ad06/FLAG18f38ed79 [2021-10-13 00:58:34,819 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:58:34,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/sv-benchmarks/c/loop-new/count_by_nondet.i [2021-10-13 00:58:34,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/data/d85fa3257/fd8af38b9b8b40bdb75165822759ad06/FLAG18f38ed79 [2021-10-13 00:58:34,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/data/d85fa3257/fd8af38b9b8b40bdb75165822759ad06 [2021-10-13 00:58:34,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:58:34,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:58:34,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:34,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:58:34,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:58:34,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:34" (1/1) ... [2021-10-13 00:58:34,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aaff478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:34, skipping insertion in model container [2021-10-13 00:58:34,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:34" (1/1) ... [2021-10-13 00:58:34,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:58:34,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:58:35,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/sv-benchmarks/c/loop-new/count_by_nondet.i[891,904] [2021-10-13 00:58:35,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:35,094 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:58:35,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/sv-benchmarks/c/loop-new/count_by_nondet.i[891,904] [2021-10-13 00:58:35,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:35,120 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:58:35,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35 WrapperNode [2021-10-13 00:58:35,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:35,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:35,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:58:35,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:58:35,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:35,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:58:35,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:58:35,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:58:35,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:58:35,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:58:35,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:58:35,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:58:35,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (1/1) ... [2021-10-13 00:58:35,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:35,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:35,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:35,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:58:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:58:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:58:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:58:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:58:35,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:58:35,513 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:58:35,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:35 BoogieIcfgContainer [2021-10-13 00:58:35,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:58:35,517 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:58:35,518 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:58:35,521 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:58:35,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:35,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:58:34" (1/3) ... [2021-10-13 00:58:35,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@238911e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:58:35, skipping insertion in model container [2021-10-13 00:58:35,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:35,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:35" (2/3) ... [2021-10-13 00:58:35,525 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@238911e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:58:35, skipping insertion in model container [2021-10-13 00:58:35,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:35,525 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:35" (3/3) ... [2021-10-13 00:58:35,527 INFO L389 chiAutomizerObserver]: Analyzing ICFG count_by_nondet.i [2021-10-13 00:58:35,612 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:58:35,612 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:58:35,612 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:58:35,612 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:58:35,613 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:58:35,613 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:58:35,613 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:58:35,613 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:58:35,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:35,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:58:35,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:35,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:35,648 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:58:35,649 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:58:35,649 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:58:35,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:35,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:58:35,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:35,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:35,651 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:58:35,652 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:58:35,658 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 10#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_~j~0, main_~i~0, main_~k~0;main_~i~0 := 0;main_~k~0 := 0; 12#L27-2true [2021-10-13 00:58:35,658 INFO L793 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~i~0 < 1000000);main_~j~0 := main_#t~nondet3;havoc main_#t~nondet3; 9#L29true assume !!(1 <= main_~j~0 && main_~j~0 < 1000000);main_~i~0 := main_~i~0 + main_~j~0;main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 12#L27-2true [2021-10-13 00:58:35,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:35,664 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:58:35,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:35,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279717342] [2021-10-13 00:58:35,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:35,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:35,806 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:35,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:35,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:35,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-10-13 00:58:35,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:35,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490948771] [2021-10-13 00:58:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:35,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:35,879 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:35,899 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:35,901 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-10-13 00:58:35,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:35,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24915677] [2021-10-13 00:58:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:35,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:35,919 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:35,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:36,070 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:36,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:36,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:36,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:36,071 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:58:36,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:36,072 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:36,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:36,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2021-10-13 00:58:36,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:36,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:36,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:36,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:36,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:36,162 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:36,163 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:58:36,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:36,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:36,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:36,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:58:36,176 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:36,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:36,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 00:58:36,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:36,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:36,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:36,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:58:36,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:58:36,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:36,299 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:58:36,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 00:58:36,305 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:36,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:36,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:36,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:36,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:58:36,306 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:36,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:36,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:36,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2021-10-13 00:58:36,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:36,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:36,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:36,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:36,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:36,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:36,412 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:58:36,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:36,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:36,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:36,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:58:36,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:36,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:36,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:36,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:36,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:36,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:36,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:36,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:36,504 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:58:36,519 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:58:36,519 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:58:36,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:36,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:36,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:36,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:58:36,528 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:58:36,529 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:58:36,530 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:58:36,530 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2021-10-13 00:58:36,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:36,554 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:58:36,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:36,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:58:36,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:36,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:58:36,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:36,703 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:58:36,704 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:36,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 39 transitions. Complement of second has 7 states. [2021-10-13 00:58:36,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:58:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-10-13 00:58:36,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-13 00:58:36,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:36,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:58:36,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:36,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-13 00:58:36,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:36,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2021-10-13 00:58:36,750 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:58:36,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-10-13 00:58:36,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:58:36,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:58:36,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:58:36,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:58:36,755 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:58:36,755 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:58:36,755 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:58:36,755 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:58:36,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:58:36,755 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:58:36,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:58:36,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:58:36 BoogieIcfgContainer [2021-10-13 00:58:36,761 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:58:36,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:58:36,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:58:36,762 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:58:36,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:35" (3/4) ... [2021-10-13 00:58:36,765 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:58:36,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:58:36,767 INFO L168 Benchmark]: Toolchain (without parser) took 1901.47 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 81.9 MB in the beginning and 89.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:36,768 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:36,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.24 ms. Allocated memory is still 104.9 MB. Free memory was 81.6 MB in the beginning and 78.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:36,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.21 ms. Allocated memory is still 104.9 MB. Free memory was 78.3 MB in the beginning and 76.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:36,770 INFO L168 Benchmark]: Boogie Preprocessor took 34.60 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 75.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:36,771 INFO L168 Benchmark]: RCFGBuilder took 326.36 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 66.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:36,771 INFO L168 Benchmark]: BuchiAutomizer took 1243.97 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 66.7 MB in the beginning and 90.3 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:36,772 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 125.8 MB. Free memory was 90.3 MB in the beginning and 89.7 MB in the end (delta: 616.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:36,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 253.24 ms. Allocated memory is still 104.9 MB. Free memory was 81.6 MB in the beginning and 78.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.21 ms. Allocated memory is still 104.9 MB. Free memory was 78.3 MB in the beginning and 76.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.60 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 75.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 326.36 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 66.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1243.97 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 66.7 MB in the beginning and 90.3 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.83 ms. Allocated memory is still 125.8 MB. Free memory was 90.3 MB in the beginning and 89.7 MB in the end (delta: 616.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1999999 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 15 SDslu, 13 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 116ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:58:36,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:37,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcae5298-55ea-4610-8e82-32ec9158dad1/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...