./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0218.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0218.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R --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 d0144744ce48339ff9171f70682ff014d707c8affcdd45929fe7382e980b7693 --- 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-38b53e6 [2022-11-25 18:31:32,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:31:32,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:31:32,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:31:32,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:31:32,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:31:32,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:31:32,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:31:32,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:31:32,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:31:32,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:31:32,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:31:32,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:31:32,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:31:32,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:31:32,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:31:32,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:31:32,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:31:32,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:31:32,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:31:32,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:31:32,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:31:32,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:31:32,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:31:32,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:31:32,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:31:32,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:31:32,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:31:32,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:31:32,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:31:32,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:31:32,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:31:32,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:31:32,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:31:32,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:31:32,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:31:32,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:31:32,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:31:32,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:31:32,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:31:32,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:31:32,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 18:31:32,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:31:32,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:31:32,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:31:32,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:31:32,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:31:32,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:31:32,379 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:31:32,380 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:31:32,380 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:31:32,380 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:31:32,381 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:31:32,381 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:31:32,381 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:31:32,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:31:32,382 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:31:32,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:31:32,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:31:32,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:31:32,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:31:32,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:31:32,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:31:32,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:31:32,384 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:31:32,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:31:32,385 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:31:32,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:31:32,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:31:32,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:31:32,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:31:32,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:31:32,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:31:32,388 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:31:32,388 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_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0144744ce48339ff9171f70682ff014d707c8affcdd45929fe7382e980b7693 [2022-11-25 18:31:32,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:31:32,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:31:32,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:31:32,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:31:32,775 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:31:32,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/memsafety/test-0218.i [2022-11-25 18:31:35,792 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:31:36,103 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:31:36,103 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/sv-benchmarks/c/memsafety/test-0218.i [2022-11-25 18:31:36,131 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/data/06556234b/90fc58d7b22847ce9e7fdd1cb6a2d67a/FLAGf1ace08b5 [2022-11-25 18:31:36,149 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/data/06556234b/90fc58d7b22847ce9e7fdd1cb6a2d67a [2022-11-25 18:31:36,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:31:36,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:31:36,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:31:36,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:31:36,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:31:36,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613f9b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36, skipping insertion in model container [2022-11-25 18:31:36,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:31:36,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:31:36,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:31:36,627 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:31:36,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:31:36,766 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:31:36,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36 WrapperNode [2022-11-25 18:31:36,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:31:36,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:31:36,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:31:36,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:31:36,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,851 INFO L138 Inliner]: procedures = 181, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2022-11-25 18:31:36,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:31:36,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:31:36,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:31:36,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:31:36,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:31:36,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:31:36,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:31:36,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:31:36,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (1/1) ... [2022-11-25 18:31:36,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:31:36,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:31:36,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:31:36,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:31:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:31:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:31:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:31:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:31:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:31:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:31:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:31:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:31:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:31:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:31:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:31:37,308 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:31:37,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:31:37,316 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 18:31:37,921 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:31:37,929 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:31:37,930 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-25 18:31:37,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:37 BoogieIcfgContainer [2022-11-25 18:31:37,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:31:37,934 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:31:37,934 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:31:37,939 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:31:37,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:31:37,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:31:36" (1/3) ... [2022-11-25 18:31:37,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44e8677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:31:37, skipping insertion in model container [2022-11-25 18:31:37,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:31:37,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:36" (2/3) ... [2022-11-25 18:31:37,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44e8677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:31:37, skipping insertion in model container [2022-11-25 18:31:37,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:31:37,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:37" (3/3) ... [2022-11-25 18:31:37,945 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0218.i [2022-11-25 18:31:38,012 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:31:38,013 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:31:38,013 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:31:38,013 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:31:38,013 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:31:38,014 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:31:38,014 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:31:38,014 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:31:38,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:31:38,064 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-25 18:31:38,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:31:38,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:31:38,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 18:31:38,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:31:38,074 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 18:31:38,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:31:38,086 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-25 18:31:38,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:31:38,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:31:38,087 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 18:31:38,087 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:31:38,099 INFO L748 eck$LassoCheckResult]: Stem: 27#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(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_#t~nondet28#1, main_#t~ret31#1, main_#t~nondet30#1, main_#t~nondet27#1, main_#t~nondet32#1, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 13#L726-2true [2022-11-25 18:31:38,100 INFO L750 eck$LassoCheckResult]: Loop: 13#L726-2true assume !!(0 != main_#t~nondet27#1);havoc main_#t~nondet27#1; 18#L724-2true assume !true; 25#L726-1true assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 13#L726-2true [2022-11-25 18:31:38,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:38,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-11-25 18:31:38,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:31:38,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272699618] [2022-11-25 18:31:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:38,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:31:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:31:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:31:38,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:38,335 INFO L85 PathProgramCache]: Analyzing trace with hash 52442, now seen corresponding path program 1 times [2022-11-25 18:31:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:31:38,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782983249] [2022-11-25 18:31:38,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:31:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:31:38,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:31:38,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782983249] [2022-11-25 18:31:38,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782983249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:31:38,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:31:38,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:31:38,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097516290] [2022-11-25 18:31:38,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:31:38,392 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 18:31:38,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:31:38,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:31:38,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:31:38,436 INFO L87 Difference]: Start difference. First operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-25 18:31:38,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:31:38,451 INFO L93 Difference]: Finished difference Result 48 states and 66 transitions. [2022-11-25 18:31:38,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 66 transitions. [2022-11-25 18:31:38,455 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-25 18:31:38,461 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 62 transitions. [2022-11-25 18:31:38,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-11-25 18:31:38,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-11-25 18:31:38,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 62 transitions. [2022-11-25 18:31:38,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:31:38,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 62 transitions. [2022-11-25 18:31:38,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 62 transitions. [2022-11-25 18:31:38,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-25 18:31:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 41 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:31:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2022-11-25 18:31:38,505 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 62 transitions. [2022-11-25 18:31:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:31:38,511 INFO L428 stractBuchiCegarLoop]: Abstraction has 44 states and 62 transitions. [2022-11-25 18:31:38,511 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 18:31:38,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 62 transitions. [2022-11-25 18:31:38,513 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-11-25 18:31:38,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:31:38,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:31:38,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 18:31:38,514 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:31:38,515 INFO L748 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 118#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_#t~nondet28#1, main_#t~ret31#1, main_#t~nondet30#1, main_#t~nondet27#1, main_#t~nondet32#1, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 119#L726-2 [2022-11-25 18:31:38,515 INFO L750 eck$LassoCheckResult]: Loop: 119#L726-2 assume !!(0 != main_#t~nondet27#1);havoc main_#t~nondet27#1; 121#L724-2 assume !(0 != main_#t~nondet28#1);havoc main_#t~nondet28#1; 130#L726-1 assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 119#L726-2 [2022-11-25 18:31:38,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:38,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-11-25 18:31:38,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:31:38,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141562725] [2022-11-25 18:31:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:38,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:31:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:31:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:31:38,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:38,546 INFO L85 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2022-11-25 18:31:38,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:31:38,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687088342] [2022-11-25 18:31:38,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:38,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:31:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:31:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:31:38,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2022-11-25 18:31:38,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:31:38,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260583314] [2022-11-25 18:31:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:38,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:31:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:31:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:31:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:31:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:31:38,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:31:38 BoogieIcfgContainer [2022-11-25 18:31:38,989 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:31:38,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:31:38,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:31:38,991 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:31:38,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:37" (3/4) ... [2022-11-25 18:31:38,995 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 18:31:39,047 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:31:39,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:31:39,048 INFO L158 Benchmark]: Toolchain (without parser) took 2894.27ms. Allocated memory is still 161.5MB. Free memory was 130.1MB in the beginning and 118.2MB in the end (delta: 11.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-25 18:31:39,049 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 130.6MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:31:39,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.95ms. Allocated memory is still 161.5MB. Free memory was 130.1MB in the beginning and 108.5MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 18:31:39,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.72ms. Allocated memory is still 161.5MB. Free memory was 108.5MB in the beginning and 106.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:31:39,058 INFO L158 Benchmark]: Boogie Preprocessor took 47.40ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:31:39,059 INFO L158 Benchmark]: RCFGBuilder took 1029.68ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 80.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 18:31:39,059 INFO L158 Benchmark]: BuchiAutomizer took 1055.65ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 119.5MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:31:39,060 INFO L158 Benchmark]: Witness Printer took 56.55ms. Allocated memory is still 161.5MB. Free memory was 119.5MB in the beginning and 118.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:31:39,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 130.6MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.95ms. Allocated memory is still 161.5MB. Free memory was 130.1MB in the beginning and 108.5MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.72ms. Allocated memory is still 161.5MB. Free memory was 108.5MB in the beginning and 106.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.40ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1029.68ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 80.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1055.65ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 119.5MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.55ms. Allocated memory is still 161.5MB. Free memory was 119.5MB in the beginning and 118.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. 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 (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 44 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 66 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 723]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L722] static list_t list; VAL [list={3:0}] Loop: [L723] COND TRUE __VERIFIER_nondet_int() [L724] COND FALSE !(__VERIFIER_nondet_int()) [L726] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 723]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L722] static list_t list; VAL [list={3:0}] Loop: [L723] COND TRUE __VERIFIER_nondet_int() [L724] COND FALSE !(__VERIFIER_nondet_int()) [L726] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 18:31:39,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8658840f-f196-4b9a-bdb8-96900a8c6e3f/bin/uautomizer-ZsLfNo2U6R/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)