./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_1_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_1_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro --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 8873a5afb79ec0e8798e8f1423b386b30ed09073bcea97b4a19d8bc56ced7206 --- 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-8393723 [2022-11-18 18:40:36,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:40:36,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:40:36,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:40:36,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:40:36,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:40:36,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:40:36,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:40:36,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:40:36,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:40:36,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:40:36,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:40:36,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:40:36,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:40:36,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:40:36,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:40:36,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:40:36,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:40:36,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:40:36,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:40:36,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:40:36,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:40:36,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:40:36,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:40:36,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:40:36,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:40:36,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:40:36,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:40:36,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:40:36,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:40:36,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:40:36,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:40:36,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:40:36,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:40:36,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:40:36,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:40:36,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:40:36,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:40:36,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:40:36,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:40:36,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:40:36,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 18:40:36,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:40:36,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:40:36,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:40:36,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:40:36,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:40:36,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:40:36,237 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:40:36,238 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 18:40:36,238 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 18:40:36,238 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 18:40:36,240 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 18:40:36,240 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 18:40:36,240 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 18:40:36,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:40:36,241 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:40:36,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:40:36,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:40:36,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:40:36,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:40:36,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 18:40:36,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 18:40:36,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 18:40:36,243 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:40:36,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:40:36,245 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 18:40:36,245 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:40:36,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 18:40:36,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:40:36,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:40:36,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:40:36,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:40:36,248 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 18:40:36,249 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_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8873a5afb79ec0e8798e8f1423b386b30ed09073bcea97b4a19d8bc56ced7206 [2022-11-18 18:40:36,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:40:36,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:40:36,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:40:36,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:40:36,647 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:40:36,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loop-new/count_by_1_variant.i [2022-11-18 18:40:36,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/data/1dd1d7deb/1e864a6063594593b44f23c006ea26ad/FLAGe299b92d1 [2022-11-18 18:40:37,305 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:40:37,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/sv-benchmarks/c/loop-new/count_by_1_variant.i [2022-11-18 18:40:37,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/data/1dd1d7deb/1e864a6063594593b44f23c006ea26ad/FLAGe299b92d1 [2022-11-18 18:40:37,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/data/1dd1d7deb/1e864a6063594593b44f23c006ea26ad [2022-11-18 18:40:37,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:40:37,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:40:37,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:37,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:40:37,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:40:37,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:37" (1/1) ... [2022-11-18 18:40:37,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ff4859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:37, skipping insertion in model container [2022-11-18 18:40:37,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:37" (1/1) ... [2022-11-18 18:40:37,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:40:37,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:40:37,945 WARN L234 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_dde421e0-e3e9-442a-86cb-3f271022edb9/sv-benchmarks/c/loop-new/count_by_1_variant.i[891,904] [2022-11-18 18:40:37,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:37,974 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:40:37,993 WARN L234 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_dde421e0-e3e9-442a-86cb-3f271022edb9/sv-benchmarks/c/loop-new/count_by_1_variant.i[891,904] [2022-11-18 18:40:37,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:38,017 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:40:38,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38 WrapperNode [2022-11-18 18:40:38,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:38,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:40:38,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:40:38,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:40:38,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,062 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-11-18 18:40:38,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:40:38,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:40:38,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:40:38,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:40:38,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:40:38,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:40:38,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:40:38,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:40:38,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (1/1) ... [2022-11-18 18:40:38,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:38,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:38,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:38,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 18:40:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:40:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:40:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:40:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:40:38,298 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:40:38,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:40:38,461 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:40:38,469 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:40:38,469 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:40:38,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:38 BoogieIcfgContainer [2022-11-18 18:40:38,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:40:38,474 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 18:40:38,474 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 18:40:38,480 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 18:40:38,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 18:40:38,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 06:40:37" (1/3) ... [2022-11-18 18:40:38,482 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@490adb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 06:40:38, skipping insertion in model container [2022-11-18 18:40:38,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 18:40:38,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:38" (2/3) ... [2022-11-18 18:40:38,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@490adb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 06:40:38, skipping insertion in model container [2022-11-18 18:40:38,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 18:40:38,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:38" (3/3) ... [2022-11-18 18:40:38,486 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_by_1_variant.i [2022-11-18 18:40:38,589 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 18:40:38,590 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 18:40:38,590 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 18:40:38,590 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 18:40:38,590 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 18:40:38,590 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 18:40:38,591 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 18:40:38,591 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 18:40:38,598 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) [2022-11-18 18:40:38,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 18:40:38,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 18:40:38,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 18:40:38,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 18:40:38,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 18:40:38,649 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 18:40:38,649 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) [2022-11-18 18:40:38,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 18:40:38,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 18:40:38,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 18:40:38,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 18:40:38,652 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 18:40:38,665 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_#t~post1#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 11#L26-3true [2022-11-18 18:40:38,667 INFO L750 eck$LassoCheckResult]: Loop: 11#L26-3true assume !!(1000000 != main_~i~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= 1000000 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3#L18true assume !(0 == __VERIFIER_assert_~cond#1); 5#L18-2true assume { :end_inline___VERIFIER_assert } true; 7#L26-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 11#L26-3true [2022-11-18 18:40:38,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:38,674 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 18:40:38,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:38,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836608413] [2022-11-18 18:40:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:38,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:40:38,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:40:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:40:38,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:40:38,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1238410, now seen corresponding path program 1 times [2022-11-18 18:40:38,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:38,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523934589] [2022-11-18 18:40:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:38,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:40:38,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:40:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:40:38,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:40:38,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:38,881 INFO L85 PathProgramCache]: Analyzing trace with hash 889665612, now seen corresponding path program 1 times [2022-11-18 18:40:38,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:38,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284304809] [2022-11-18 18:40:38,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:38,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:40:38,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:40:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:40:38,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:40:39,117 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 18:40:39,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 18:40:39,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 18:40:39,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 18:40:39,119 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 18:40:39,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 18:40:39,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 18:40:39,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1_variant.i_Iteration1_Loop [2022-11-18 18:40:39,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 18:40:39,121 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 18:40:39,148 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 18:40:39,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 18:40:39,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 18:40:39,305 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 18:40:39,305 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 18:40:39,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:39,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:39,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 18:40:39,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 18:40:39,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 18:40:39,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 18:40:39,370 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 18:40:39,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-18 18:40:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:39,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:39,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 18:40:39,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 18:40:39,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 18:40:39,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:39,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:39,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:39,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 18:40:39,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 18:40:39,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 18:40:39,497 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 18:40:39,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-18 18:40:39,503 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 18:40:39,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 18:40:39,504 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 18:40:39,504 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 18:40:39,504 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 18:40:39,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 18:40:39,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 18:40:39,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1_variant.i_Iteration1_Loop [2022-11-18 18:40:39,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 18:40:39,505 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 18:40:39,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 18:40:39,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 18:40:39,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 18:40:39,657 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 18:40:39,663 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 18:40:39,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:39,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:39,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 18:40:39,683 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 [2022-11-18 18:40:39,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 18:40:39,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 18:40:39,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 18:40:39,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 18:40:39,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 18:40:39,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 18:40:39,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 18:40:39,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 18:40:39,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:39,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:39,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:39,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 18:40:39,751 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 [2022-11-18 18:40:39,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 18:40:39,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 18:40:39,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 18:40:39,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 18:40:39,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 18:40:39,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 18:40:39,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 18:40:39,782 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 18:40:39,800 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 18:40:39,800 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 18:40:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 18:40:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:39,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:39,815 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 18:40:39,815 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 18:40:39,815 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 18:40:39,816 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1999999 Supporting invariants [] [2022-11-18 18:40:39,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 18:40:39,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-18 18:40:39,857 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 18:40:39,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:39,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:39,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:40:39,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:39,957 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:40:39,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:40:40,245 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 18:40:40,247 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:40:40,352 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 37 transitions. Complement of second has 9 states. [2022-11-18 18:40:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 18:40:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:40:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-11-18 18:40:40,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-18 18:40:40,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 18:40:40,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-18 18:40:40,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 18:40:40,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 8 letters. [2022-11-18 18:40:40,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 18:40:40,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2022-11-18 18:40:40,369 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 18:40:40,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2022-11-18 18:40:40,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 18:40:40,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 18:40:40,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 18:40:40,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:40:40,375 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:40:40,375 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:40:40,375 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:40:40,376 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 18:40:40,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:40:40,376 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 18:40:40,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 18:40:40,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 06:40:40 BoogieIcfgContainer [2022-11-18 18:40:40,386 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 18:40:40,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:40:40,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:40:40,387 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:40:40,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:38" (3/4) ... [2022-11-18 18:40:40,391 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:40:40,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:40:40,393 INFO L158 Benchmark]: Toolchain (without parser) took 2729.13ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 97.5MB in the end (delta: -28.6MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2022-11-18 18:40:40,393 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:40:40,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.58ms. Allocated memory is still 109.1MB. Free memory was 68.7MB in the beginning and 84.4MB in the end (delta: -15.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:40:40,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.97ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:40:40,396 INFO L158 Benchmark]: Boogie Preprocessor took 32.77ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:40:40,397 INFO L158 Benchmark]: RCFGBuilder took 374.75ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 73.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:40:40,397 INFO L158 Benchmark]: BuchiAutomizer took 1911.59ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 72.6MB in the beginning and 97.5MB in the end (delta: -24.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-18 18:40:40,398 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 140.5MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:40:40,402 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 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.58ms. Allocated memory is still 109.1MB. Free memory was 68.7MB in the beginning and 84.4MB in the end (delta: -15.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.97ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.77ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.75ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 73.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1911.59ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 72.6MB in the beginning and 97.5MB in the end (delta: -24.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 140.5MB. Free memory is still 97.5MB. 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 -2 * i + 1999999 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp69 dnf100 smp100 tf112 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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! [2022-11-18 18:40:40,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dde421e0-e3e9-442a-86cb-3f271022edb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE