./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0214.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0214.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a --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 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 --- 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-b5237d8 [2022-11-21 16:15:33,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:15:33,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:15:33,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:15:33,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:15:33,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:15:33,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:15:33,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:15:33,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:15:33,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:15:33,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:15:33,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:15:33,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:15:33,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:15:33,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:15:33,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:15:33,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:15:33,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:15:33,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:15:33,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:15:33,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:15:33,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:15:33,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:15:33,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:15:33,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:15:33,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:15:33,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:15:33,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:15:33,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:15:33,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:15:33,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:15:33,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:15:33,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:15:33,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:15:33,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:15:33,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:15:33,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:15:33,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:15:33,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:15:33,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:15:33,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:15:33,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:15:34,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:15:34,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:15:34,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:15:34,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:15:34,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:15:34,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:15:34,015 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:15:34,015 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:15:34,016 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:15:34,016 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:15:34,017 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:15:34,017 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:15:34,017 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:15:34,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:15:34,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:15:34,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:15:34,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:15:34,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:15:34,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:15:34,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:15:34,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:15:34,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:15:34,019 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:15:34,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:15:34,020 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:15:34,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:15:34,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:15:34,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:15:34,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:15:34,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:15:34,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:15:34,023 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:15:34,023 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_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 [2022-11-21 16:15:34,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:15:34,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:15:34,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:15:34,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:15:34,341 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:15:34,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/memsafety/test-0214.i [2022-11-21 16:15:37,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:15:37,725 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:15:37,726 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/sv-benchmarks/c/memsafety/test-0214.i [2022-11-21 16:15:37,741 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/data/d0001ad50/3ad1fb6ad9144dd58a2853706ac46bcb/FLAGff4f7c7d8 [2022-11-21 16:15:37,773 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/data/d0001ad50/3ad1fb6ad9144dd58a2853706ac46bcb [2022-11-21 16:15:37,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:15:37,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:15:37,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:15:37,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:15:37,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:15:37,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:15:37" (1/1) ... [2022-11-21 16:15:37,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138228e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:37, skipping insertion in model container [2022-11-21 16:15:37,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:15:37" (1/1) ... [2022-11-21 16:15:37,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:15:37,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:15:38,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:15:38,263 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:15:38,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:15:38,350 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:15:38,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38 WrapperNode [2022-11-21 16:15:38,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:15:38,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:15:38,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:15:38,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:15:38,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,416 INFO L138 Inliner]: procedures = 181, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2022-11-21 16:15:38,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:15:38,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:15:38,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:15:38,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:15:38,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,456 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:15:38,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:15:38,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:15:38,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:15:38,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (1/1) ... [2022-11-21 16:15:38,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:15:38,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:15:38,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:15:38,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:15:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:15:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:15:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:15:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:15:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:15:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:15:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:15:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:15:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:15:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:15:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:15:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:15:38,716 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:15:38,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:15:38,724 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 16:15:39,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:15:39,205 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:15:39,205 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 16:15:39,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:15:39 BoogieIcfgContainer [2022-11-21 16:15:39,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:15:39,209 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:15:39,209 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:15:39,213 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:15:39,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:15:39,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:15:37" (1/3) ... [2022-11-21 16:15:39,216 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ac69d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:15:39, skipping insertion in model container [2022-11-21 16:15:39,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:15:39,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:38" (2/3) ... [2022-11-21 16:15:39,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ac69d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:15:39, skipping insertion in model container [2022-11-21 16:15:39,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:15:39,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:15:39" (3/3) ... [2022-11-21 16:15:39,220 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0214.i [2022-11-21 16:15:39,273 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:15:39,273 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:15:39,274 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:15:39,274 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:15:39,274 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:15:39,274 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:15:39,274 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:15:39,274 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:15:39,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 39 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) [2022-11-21 16:15:39,300 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-21 16:15:39,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:15:39,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:15:39,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:15:39,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:15:39,308 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:15:39,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 39 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) [2022-11-21 16:15:39,312 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-21 16:15:39,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:15:39,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:15:39,312 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:15:39,312 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:15:39,321 INFO L748 eck$LassoCheckResult]: Stem: 20#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); 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_#t~nondet20#1, main_#t~ret23#1, main_#t~nondet22#1, main_#t~nondet19#1, main_#t~nondet24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~0#1.base, main_~cursor~0#1.offset; 21#L728-2true [2022-11-21 16:15:39,322 INFO L750 eck$LassoCheckResult]: Loop: 21#L728-2true assume !!(0 != main_#t~nondet19#1);havoc main_#t~nondet19#1; 4#L726-2true assume !true; 19#L728-1true assume !(0 != main_#t~nondet22#1);havoc main_#t~nondet22#1; 21#L728-2true [2022-11-21 16:15:39,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:39,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-11-21 16:15:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:39,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201932547] [2022-11-21 16:15:39,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:39,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:15:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:15:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash 51578, now seen corresponding path program 1 times [2022-11-21 16:15:39,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:39,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932861880] [2022-11-21 16:15:39,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:39,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:39,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:39,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932861880] [2022-11-21 16:15:39,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932861880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:39,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:39,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:39,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918647175] [2022-11-21 16:15:39,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:39,611 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:15:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:39,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:15:39,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:15:39,686 INFO L87 Difference]: Start difference. First operand has 42 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 39 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) 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) [2022-11-21 16:15:39,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:15:39,703 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2022-11-21 16:15:39,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 57 transitions. [2022-11-21 16:15:39,715 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-21 16:15:39,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 38 states and 53 transitions. [2022-11-21 16:15:39,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-11-21 16:15:39,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-11-21 16:15:39,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 53 transitions. [2022-11-21 16:15:39,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:39,728 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 53 transitions. [2022-11-21 16:15:39,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 53 transitions. [2022-11-21 16:15:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-21 16:15:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 35 states have internal predecessors, (51), 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) [2022-11-21 16:15:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2022-11-21 16:15:39,772 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 53 transitions. [2022-11-21 16:15:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:15:39,787 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 53 transitions. [2022-11-21 16:15:39,788 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:15:39,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 53 transitions. [2022-11-21 16:15:39,792 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-21 16:15:39,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:15:39,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:15:39,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:15:39,793 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:15:39,793 INFO L748 eck$LassoCheckResult]: Stem: 119#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 92#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_#t~nondet20#1, main_#t~ret23#1, main_#t~nondet22#1, main_#t~nondet19#1, main_#t~nondet24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~0#1.base, main_~cursor~0#1.offset; 93#L728-2 [2022-11-21 16:15:39,794 INFO L750 eck$LassoCheckResult]: Loop: 93#L728-2 assume !!(0 != main_#t~nondet19#1);havoc main_#t~nondet19#1; 94#L726-2 assume !(0 != main_#t~nondet20#1);havoc main_#t~nondet20#1; 95#L728-1 assume !(0 != main_#t~nondet22#1);havoc main_#t~nondet22#1; 93#L728-2 [2022-11-21 16:15:39,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:39,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-11-21 16:15:39,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:39,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457199274] [2022-11-21 16:15:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:39,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:15:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:15:39,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:39,879 INFO L85 PathProgramCache]: Analyzing trace with hash 49935, now seen corresponding path program 1 times [2022-11-21 16:15:39,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:39,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310833262] [2022-11-21 16:15:39,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:39,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:15:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:15:39,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash 37288685, now seen corresponding path program 1 times [2022-11-21 16:15:39,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:39,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118477068] [2022-11-21 16:15:39,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:39,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:15:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:39,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:15:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:40,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:15:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:15:40,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:15:40 BoogieIcfgContainer [2022-11-21 16:15:40,277 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:15:40,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:15:40,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:15:40,279 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:15:40,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:15:39" (3/4) ... [2022-11-21 16:15:40,282 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 16:15:40,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:15:40,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:15:40,317 INFO L158 Benchmark]: Toolchain (without parser) took 2538.30ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 97.4MB in the end (delta: 21.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-21 16:15:40,317 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 66.3MB in the end (delta: 293.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:15:40,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.25ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 97.3MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 16:15:40,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.40ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:15:40,319 INFO L158 Benchmark]: Boogie Preprocessor took 38.12ms. Allocated memory is still 151.0MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:15:40,320 INFO L158 Benchmark]: RCFGBuilder took 746.01ms. Allocated memory is still 151.0MB. Free memory was 93.1MB in the beginning and 71.3MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 16:15:40,321 INFO L158 Benchmark]: BuchiAutomizer took 1068.68ms. Allocated memory is still 151.0MB. Free memory was 71.3MB in the beginning and 99.5MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:15:40,321 INFO L158 Benchmark]: Witness Printer took 38.08ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:15:40,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 66.3MB in the end (delta: 293.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.25ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 97.3MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.40ms. Allocated memory is still 151.0MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.12ms. Allocated memory is still 151.0MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.01ms. Allocated memory is still 151.0MB. Free memory was 93.1MB in the beginning and 71.3MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1068.68ms. Allocated memory is still 151.0MB. Free memory was 71.3MB in the beginning and 99.5MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.08ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). 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 38 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, 57 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, 57 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: 725]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L724] static list_t list; VAL [list={3:0}] Loop: [L725] COND TRUE __VERIFIER_nondet_int() [L726] COND FALSE !(__VERIFIER_nondet_int()) [L728] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 725]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L724] static list_t list; VAL [list={3:0}] Loop: [L725] COND TRUE __VERIFIER_nondet_int() [L726] COND FALSE !(__VERIFIER_nondet_int()) [L728] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 16:15:40,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055f51bc-f546-4aff-9f3d-b057524ff29d/bin/uautomizer-vX5HgA9Q3a/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)