./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 5e519f3a 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_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0218.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc --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-5e519f3 [2022-11-02 20:07:46,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:07:46,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:07:46,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:07:46,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:07:46,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:07:46,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:07:46,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:07:46,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:07:46,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:07:46,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:07:46,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:07:46,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:07:46,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:07:46,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:07:46,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:07:46,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:07:46,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:07:46,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:07:46,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:07:46,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:07:46,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:07:46,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:07:46,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:07:46,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:07:46,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:07:46,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:07:46,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:07:46,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:07:46,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:07:46,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:07:46,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:07:46,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:07:46,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:07:46,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:07:46,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:07:46,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:07:46,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:07:46,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:07:46,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:07:46,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:07:46,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:07:46,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:07:46,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:07:46,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:07:46,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:07:46,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:07:46,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:07:46,647 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:07:46,647 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:07:46,648 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:07:46,648 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:07:46,649 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:07:46,649 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:07:46,649 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:07:46,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:07:46,650 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:07:46,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:07:46,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:07:46,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:07:46,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:07:46,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:07:46,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:07:46,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:07:46,651 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:07:46,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:07:46,653 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:07:46,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:07:46,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:07:46,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:07:46,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:07:46,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:07:46,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:07:46,656 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:07:46,656 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_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0144744ce48339ff9171f70682ff014d707c8affcdd45929fe7382e980b7693 [2022-11-02 20:07:46,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:07:46,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:07:46,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:07:46,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:07:46,998 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:07:46,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/memsafety/test-0218.i [2022-11-02 20:07:47,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/data/19e19ceb7/36437c56cd054d18b23f010810b015bc/FLAGa14b532a6 [2022-11-02 20:07:47,633 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:07:47,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/sv-benchmarks/c/memsafety/test-0218.i [2022-11-02 20:07:47,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/data/19e19ceb7/36437c56cd054d18b23f010810b015bc/FLAGa14b532a6 [2022-11-02 20:07:47,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/data/19e19ceb7/36437c56cd054d18b23f010810b015bc [2022-11-02 20:07:47,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:07:47,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:07:47,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:07:47,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:07:47,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:07:47,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:07:47" (1/1) ... [2022-11-02 20:07:47,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644ba404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:47, skipping insertion in model container [2022-11-02 20:07:47,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:07:47" (1/1) ... [2022-11-02 20:07:47,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:07:47,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:07:48,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:07:48,417 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:07:48,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:07:48,525 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:07:48,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48 WrapperNode [2022-11-02 20:07:48,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:07:48,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:07:48,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:07:48,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:07:48,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,617 INFO L138 Inliner]: procedures = 181, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2022-11-02 20:07:48,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:07:48,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:07:48,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:07:48,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:07:48,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:07:48,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:07:48,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:07:48,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:07:48,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (1/1) ... [2022-11-02 20:07:48,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:07:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:07:48,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:07:48,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:07:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:07:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:07:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:07:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:07:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:07:48,908 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:07:48,910 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:07:48,915 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:07:49,351 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:07:49,358 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:07:49,358 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-02 20:07:49,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:07:49 BoogieIcfgContainer [2022-11-02 20:07:49,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:07:49,361 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:07:49,361 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:07:49,365 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:07:49,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:07:49,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:07:47" (1/3) ... [2022-11-02 20:07:49,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a58aa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:07:49, skipping insertion in model container [2022-11-02 20:07:49,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:07:49,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:48" (2/3) ... [2022-11-02 20:07:49,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a58aa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:07:49, skipping insertion in model container [2022-11-02 20:07:49,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:07:49,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:07:49" (3/3) ... [2022-11-02 20:07:49,370 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0218.i [2022-11-02 20:07:49,440 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:07:49,441 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:07:49,441 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:07:49,441 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:07:49,441 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:07:49,441 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:07:49,441 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:07:49,441 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:07:49,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 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) [2022-11-02 20:07:49,483 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-11-02 20:07:49,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:07:49,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:07:49,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:07:49,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:07:49,490 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:07:49,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 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) [2022-11-02 20:07:49,503 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-11-02 20:07:49,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:07:49,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:07:49,505 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:07:49,505 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:07:49,514 INFO L748 eck$LassoCheckResult]: Stem: 43#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); 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#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; 7#L726-2true [2022-11-02 20:07:49,516 INFO L750 eck$LassoCheckResult]: Loop: 7#L726-2true assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 10#L724-2true assume !true; 13#L726-1true assume !true; 7#L726-2true [2022-11-02 20:07:49,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:07:49,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-11-02 20:07:49,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:07:49,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354813614] [2022-11-02 20:07:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:07:49,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:07:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:07:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:07:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:07:49,730 INFO L85 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2022-11-02 20:07:49,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:07:49,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387396855] [2022-11-02 20:07:49,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:07:49,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:07:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:07:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:07:49,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:07:49,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387396855] [2022-11-02 20:07:49,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387396855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:07:49,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:07:49,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:07:49,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013008341] [2022-11-02 20:07:49,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:07:49,782 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:07:49,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:07:49,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:07:49,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:07:49,823 INFO L87 Difference]: Start difference. First operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 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) [2022-11-02 20:07:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:07:49,836 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2022-11-02 20:07:49,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2022-11-02 20:07:49,840 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-11-02 20:07:49,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2022-11-02 20:07:49,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2022-11-02 20:07:49,847 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2022-11-02 20:07:49,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2022-11-02 20:07:49,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:07:49,849 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-11-02 20:07:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2022-11-02 20:07:49,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-02 20:07:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.434782608695652) internal successors, (66), 45 states have internal predecessors, (66), 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) [2022-11-02 20:07:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2022-11-02 20:07:49,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-11-02 20:07:49,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:07:49,889 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-11-02 20:07:49,889 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:07:49,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2022-11-02 20:07:49,891 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-11-02 20:07:49,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:07:49,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:07:49,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:07:49,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:07:49,892 INFO L748 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 129#L726-2 [2022-11-02 20:07:49,893 INFO L750 eck$LassoCheckResult]: Loop: 129#L726-2 assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 131#L724-2 assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 140#L726-1 assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1; 129#L726-2 [2022-11-02 20:07:49,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:07:49,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-11-02 20:07:49,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:07:49,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50594923] [2022-11-02 20:07:49,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:07:49,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:07:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:07:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:07:49,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:07:49,919 INFO L85 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2022-11-02 20:07:49,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:07:49,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357807407] [2022-11-02 20:07:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:07:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:07:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:07:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:07:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:07:49,933 INFO L85 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2022-11-02 20:07:49,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:07:49,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888658463] [2022-11-02 20:07:49,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:07:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:07:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:07:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:49,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:07:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:50,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:07:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:07:50,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:07:50 BoogieIcfgContainer [2022-11-02 20:07:50,234 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:07:50,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:07:50,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:07:50,235 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:07:50,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:07:49" (3/4) ... [2022-11-02 20:07:50,239 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:07:50,271 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:07:50,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:07:50,273 INFO L158 Benchmark]: Toolchain (without parser) took 2363.28ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 76.8MB in the beginning and 107.7MB in the end (delta: -30.9MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-02 20:07:50,273 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:07:50,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.87ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 76.8MB in the end (delta: -15.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:07:50,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.78ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 74.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:07:50,275 INFO L158 Benchmark]: Boogie Preprocessor took 67.98ms. Allocated memory is still 115.3MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:07:50,276 INFO L158 Benchmark]: RCFGBuilder took 673.44ms. Allocated memory is still 115.3MB. Free memory was 72.2MB in the beginning and 49.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-02 20:07:50,276 INFO L158 Benchmark]: BuchiAutomizer took 872.99ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 49.1MB in the beginning and 109.6MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:07:50,277 INFO L158 Benchmark]: Witness Printer took 36.97ms. Allocated memory is still 169.9MB. Free memory was 109.6MB in the beginning and 107.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:07:50,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory was 86.7MB in the beginning and 86.6MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.87ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 76.8MB in the end (delta: -15.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.78ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 74.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.98ms. Allocated memory is still 115.3MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.44ms. Allocated memory is still 115.3MB. Free memory was 72.2MB in the beginning and 49.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 872.99ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 49.1MB in the beginning and 109.6MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 36.97ms. Allocated memory is still 169.9MB. Free memory was 109.6MB in the beginning and 107.7MB in the end (delta: 1.9MB). 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 48 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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, 72 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, 72 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! [2022-11-02 20:07:50,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebf3bc9f-65be-42e8-a57a-5182dedb5c13/bin/uautomizer-Dbtcem3rbc/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)