./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8 --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 86d4e5d9ff4808cbd51f54a8e918c7da7f8f3d0797ade1f0adcb3da91d131026 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:04:41,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:04:41,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:04:41,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:04:41,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:04:41,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:04:41,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:04:41,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:04:41,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:04:41,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:04:41,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:04:41,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:04:41,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:04:41,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:04:41,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:04:41,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:04:41,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:04:41,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:04:41,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:04:41,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:04:41,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:04:41,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:04:41,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:04:41,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:04:41,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:04:41,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:04:41,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:04:41,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:04:41,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:04:41,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:04:41,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:04:41,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:04:41,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:04:41,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:04:41,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:04:41,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:04:41,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:04:41,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:04:41,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:04:41,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:04:41,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:04:41,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:04:41,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:04:41,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:04:41,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:04:41,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:04:41,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:04:41,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:04:41,221 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:04:41,222 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:04:41,222 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:04:41,222 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:04:41,223 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:04:41,224 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:04:41,224 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:04:41,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:04:41,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:04:41,225 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:04:41,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:04:41,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:04:41,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:04:41,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:04:41,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:04:41,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:04:41,226 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:04:41,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:04:41,227 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:04:41,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:04:41,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:04:41,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:04:41,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:04:41,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:04:41,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:04:41,230 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:04:41,231 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_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86d4e5d9ff4808cbd51f54a8e918c7da7f8f3d0797ade1f0adcb3da91d131026 [2022-11-16 12:04:41,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:04:41,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:04:41,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:04:41,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:04:41,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:04:41,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/loop-new/count_by_2.i [2022-11-16 12:04:41,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/data/bb3d487f3/dc1ea551f0a94e8a93ec1aa4de297721/FLAG834f6684a [2022-11-16 12:04:42,198 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:04:42,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/sv-benchmarks/c/loop-new/count_by_2.i [2022-11-16 12:04:42,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/data/bb3d487f3/dc1ea551f0a94e8a93ec1aa4de297721/FLAG834f6684a [2022-11-16 12:04:42,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/data/bb3d487f3/dc1ea551f0a94e8a93ec1aa4de297721 [2022-11-16 12:04:42,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:04:42,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:04:42,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:04:42,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:04:42,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:04:42,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73259efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42, skipping insertion in model container [2022-11-16 12:04:42,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:04:42,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:04:42,758 WARN L229 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_7283af4f-8e1c-40bc-9538-80c176f6bdf1/sv-benchmarks/c/loop-new/count_by_2.i[891,904] [2022-11-16 12:04:42,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:04:42,773 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:04:42,788 WARN L229 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_7283af4f-8e1c-40bc-9538-80c176f6bdf1/sv-benchmarks/c/loop-new/count_by_2.i[891,904] [2022-11-16 12:04:42,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:04:42,806 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:04:42,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42 WrapperNode [2022-11-16 12:04:42,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:04:42,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:04:42,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:04:42,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:04:42,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,840 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-11-16 12:04:42,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:04:42,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:04:42,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:04:42,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:04:42,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:04:42,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:04:42,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:04:42,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:04:42,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (1/1) ... [2022-11-16 12:04:42,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:04:42,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:42,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:04:42,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:04:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:04:43,024 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:04:43,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:04:43,196 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:04:43,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:04:43,203 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:04:43,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:43 BoogieIcfgContainer [2022-11-16 12:04:43,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:04:43,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:04:43,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:04:43,218 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:04:43,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:04:43,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:04:42" (1/3) ... [2022-11-16 12:04:43,221 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@680f245a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:04:43, skipping insertion in model container [2022-11-16 12:04:43,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:04:43,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:42" (2/3) ... [2022-11-16 12:04:43,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@680f245a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:04:43, skipping insertion in model container [2022-11-16 12:04:43,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:04:43,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:43" (3/3) ... [2022-11-16 12:04:43,225 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_by_2.i [2022-11-16 12:04:43,329 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:04:43,329 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:04:43,329 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:04:43,329 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:04:43,329 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:04:43,330 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:04:43,330 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:04:43,330 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:04:43,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-16 12:04:43,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:04:43,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:04:43,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:04:43,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:04:43,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:04:43,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:04:43,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-16 12:04:43,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:04:43,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:04:43,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:04:43,382 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:04:43,383 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:04:43,392 INFO L748 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;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 11#L26-3true [2022-11-16 12:04:43,393 INFO L750 eck$LassoCheckResult]: Loop: 11#L26-3true assume !!(main_~i~0#1 < 1000000); 7#L26-2true main_~i~0#1 := 2 + main_~i~0#1; 11#L26-3true [2022-11-16 12:04:43,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:43,401 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:04:43,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:43,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56086436] [2022-11-16 12:04:43,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:43,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:04:43,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:04:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:04:43,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:04:43,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:43,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-16 12:04:43,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:43,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253855299] [2022-11-16 12:04:43,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:43,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:04:43,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:04:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:04:43,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:04:43,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-16 12:04:43,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:43,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729562513] [2022-11-16 12:04:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:04:43,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:04:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:04:43,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:04:43,777 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:04:43,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:04:43,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:04:43,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:04:43,779 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:04:43,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:04:43,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:04:43,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:04:43,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2022-11-16 12:04:43,780 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:04:43,780 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:04:43,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:04:43,882 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:04:43,882 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:04:43,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:04:43,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:43,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:04:43,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:04:43,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:04:43,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:04:43,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:43,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:04:43,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:43,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:04:43,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:04:43,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:04:43,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:04:44,012 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:04:44,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:44,022 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:04:44,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:04:44,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:04:44,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:04:44,022 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:04:44,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:04:44,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:04:44,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:04:44,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2022-11-16 12:04:44,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:04:44,023 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:04:44,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:04:44,069 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:04:44,074 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:04:44,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:04:44,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:44,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:04:44,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:04:44,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:04:44,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:04:44,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:04:44,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:04:44,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:04:44,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:04:44,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:04:44,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:04:44,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:04:44,142 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:04:44,143 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:04:44,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:04:44,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:44,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:04:44,156 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:04:44,156 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:04:44,157 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:04:44,158 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1000000 Supporting invariants [] [2022-11-16 12:04:44,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:04:44,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:44,170 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:04:44,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:44,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:04:44,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:04:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:44,257 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:04:44,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:04:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:04:44,352 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:04:44,354 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-16 12:04:44,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 27 states and 33 transitions. Complement of second has 7 states. [2022-11-16 12:04:44,413 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 [2022-11-16 12:04:44,418 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) [2022-11-16 12:04:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-11-16 12:04:44,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-16 12:04:44,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:04:44,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 12:04:44,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:04:44,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-16 12:04:44,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:04:44,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2022-11-16 12:04:44,426 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:04:44,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2022-11-16 12:04:44,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:04:44,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:04:44,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:04:44,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:04:44,433 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:04:44,433 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:04:44,433 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:04:44,433 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:04:44,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:04:44,434 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:04:44,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:04:44,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:04:44 BoogieIcfgContainer [2022-11-16 12:04:44,443 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:04:44,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:04:44,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:04:44,444 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:04:44,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:43" (3/4) ... [2022-11-16 12:04:44,448 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:04:44,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:04:44,450 INFO L158 Benchmark]: Toolchain (without parser) took 1931.78ms. Allocated memory is still 119.5MB. Free memory was 83.1MB in the beginning and 47.3MB in the end (delta: 35.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-16 12:04:44,450 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:04:44,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.02ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 96.6MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:04:44,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.50ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 95.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:04:44,453 INFO L158 Benchmark]: Boogie Preprocessor took 20.61ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:04:44,453 INFO L158 Benchmark]: RCFGBuilder took 343.33ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 84.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:04:44,454 INFO L158 Benchmark]: BuchiAutomizer took 1229.99ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 47.6MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-16 12:04:44,455 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 119.5MB. Free memory was 47.5MB in the beginning and 47.3MB in the end (delta: 213.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:04:44,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.02ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 96.6MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.50ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 95.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.61ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.33ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 84.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1229.99ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 47.6MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 119.5MB. Free memory was 47.5MB in the beginning and 47.3MB in the end (delta: 213.8kB). There was no memory consumed. Max. memory is 16.1GB. * 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 -1 * i + 1000000 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 80ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:04:44,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:44,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7283af4f-8e1c-40bc-9538-80c176f6bdf1/bin/uautomizer-tPACEb0tL8/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 Writing output log to file Ultimate.log Result: TRUE