./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0214.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 20:31:43,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:31:43,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:31:43,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:31:43,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:31:43,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:31:43,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:31:43,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:31:43,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:31:43,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:31:43,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:31:43,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:31:43,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:31:43,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:31:43,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:31:43,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:31:43,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:31:43,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:31:43,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:31:43,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:31:43,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:31:43,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:31:43,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:31:43,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:31:43,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:31:43,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:31:43,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:31:43,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:31:43,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:31:43,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:31:43,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:31:43,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:31:43,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:31:43,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:31:43,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:31:43,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:31:43,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:31:43,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:31:43,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:31:43,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:31:43,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:31:43,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:31:43,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:31:43,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:31:43,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:31:43,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:31:43,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:31:43,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:31:43,475 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:31:43,475 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:31:43,475 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:31:43,475 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:31:43,476 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:31:43,476 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:31:43,476 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:31:43,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:31:43,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:31:43,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:31:43,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:31:43,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:31:43,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:31:43,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:31:43,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:31:43,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:31:43,478 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:31:43,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:31:43,478 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:31:43,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:31:43,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:31:43,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:31:43,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:31:43,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:31:43,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:31:43,480 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:31:43,481 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_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6f146d76d903376288fe056dbbc9e1a8443f92d5e8b82343734efc8a9842e4 [2022-11-18 20:31:43,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:31:43,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:31:43,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:31:43,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:31:43,836 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:31:43,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/memsafety/test-0214.i [2022-11-18 20:31:43,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/data/4c5d71ee8/c9e72349fed64709b704b0a8fbfe8ebc/FLAG5992a5388 [2022-11-18 20:31:44,524 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:31:44,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/sv-benchmarks/c/memsafety/test-0214.i [2022-11-18 20:31:44,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/data/4c5d71ee8/c9e72349fed64709b704b0a8fbfe8ebc/FLAG5992a5388 [2022-11-18 20:31:44,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/data/4c5d71ee8/c9e72349fed64709b704b0a8fbfe8ebc [2022-11-18 20:31:44,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:31:44,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:31:44,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:31:44,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:31:44,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:31:44,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:31:44" (1/1) ... [2022-11-18 20:31:44,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e535d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:44, skipping insertion in model container [2022-11-18 20:31:44,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:31:44" (1/1) ... [2022-11-18 20:31:44,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:31:44,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:31:45,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:31:45,411 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:31:45,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:31:45,497 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:31:45,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45 WrapperNode [2022-11-18 20:31:45,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:31:45,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:31:45,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:31:45,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:31:45,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,555 INFO L138 Inliner]: procedures = 181, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2022-11-18 20:31:45,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:31:45,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:31:45,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:31:45,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:31:45,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:31:45,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:31:45,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:31:45,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:31:45,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (1/1) ... [2022-11-18 20:31:45,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:31:45,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:31:45,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:31:45,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:31:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:31:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:31:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:31:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:31:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:31:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:31:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:31:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:31:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:31:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:31:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:31:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:31:45,903 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:31:45,920 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:31:45,938 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-18 20:31:46,324 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:31:46,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:31:46,340 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:31:46,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:31:46 BoogieIcfgContainer [2022-11-18 20:31:46,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:31:46,351 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:31:46,352 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:31:46,357 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:31:46,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:31:46,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:31:44" (1/3) ... [2022-11-18 20:31:46,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e235711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:31:46, skipping insertion in model container [2022-11-18 20:31:46,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:31:46,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:45" (2/3) ... [2022-11-18 20:31:46,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e235711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:31:46, skipping insertion in model container [2022-11-18 20:31:46,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:31:46,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:31:46" (3/3) ... [2022-11-18 20:31:46,362 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0214.i [2022-11-18 20:31:46,432 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:31:46,432 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:31:46,432 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:31:46,432 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:31:46,433 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:31:46,433 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:31:46,433 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:31:46,434 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:31:46,444 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) [2022-11-18 20:31:46,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-18 20:31:46,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:31:46,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:31:46,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:31:46,484 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:31:46,485 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:31:46,485 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) [2022-11-18 20:31:46,495 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-18 20:31:46,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:31:46,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:31:46,497 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:31:46,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:31:46,505 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 [2022-11-18 20:31:46,506 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 [2022-11-18 20:31:46,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:46,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-11-18 20:31:46,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:46,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642269846] [2022-11-18 20:31:46,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:31:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:31:46,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:46,677 INFO L85 PathProgramCache]: Analyzing trace with hash 51578, now seen corresponding path program 1 times [2022-11-18 20:31:46,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:46,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214438667] [2022-11-18 20:31:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:46,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:31:46,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:46,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214438667] [2022-11-18 20:31:46,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214438667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:46,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:46,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:31:46,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146137758] [2022-11-18 20:31:46,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:46,739 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:31:46,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:46,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:31:46,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:31:46,783 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) [2022-11-18 20:31:46,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:46,798 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2022-11-18 20:31:46,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 57 transitions. [2022-11-18 20:31:46,811 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-18 20:31:46,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 38 states and 53 transitions. [2022-11-18 20:31:46,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-11-18 20:31:46,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-11-18 20:31:46,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 53 transitions. [2022-11-18 20:31:46,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:31:46,822 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 53 transitions. [2022-11-18 20:31:46,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 53 transitions. [2022-11-18 20:31:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-18 20:31:46,851 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) [2022-11-18 20:31:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2022-11-18 20:31:46,854 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 53 transitions. [2022-11-18 20:31:46,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:31:46,861 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 53 transitions. [2022-11-18 20:31:46,862 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:31:46,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 53 transitions. [2022-11-18 20:31:46,865 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-18 20:31:46,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:31:46,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:31:46,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:31:46,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:31:46,866 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$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 92#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_#t~nondet20#1, main_#t~ret23#1, main_#t~nondet22#1, main_#t~nondet19#1, main_#t~nondet24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~0#1.base, main_~cursor~0#1.offset; 93#L728-2 [2022-11-18 20:31:46,867 INFO L750 eck$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 [2022-11-18 20:31:46,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:46,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-11-18 20:31:46,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:46,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358829212] [2022-11-18 20:31:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:31:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:31:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 49935, now seen corresponding path program 1 times [2022-11-18 20:31:46,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:46,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941838403] [2022-11-18 20:31:46,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:46,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:31:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:31:46,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:46,923 INFO L85 PathProgramCache]: Analyzing trace with hash 37288685, now seen corresponding path program 1 times [2022-11-18 20:31:46,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:46,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056283672] [2022-11-18 20:31:46,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:46,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:31:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:46,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:31:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:47,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:31:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:31:47,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:31:47 BoogieIcfgContainer [2022-11-18 20:31:47,323 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:31:47,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:31:47,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:31:47,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:31:47,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:31:46" (3/4) ... [2022-11-18 20:31:47,328 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:31:47,372 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:31:47,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:31:47,373 INFO L158 Benchmark]: Toolchain (without parser) took 2544.12ms. Allocated memory is still 127.9MB. Free memory was 88.6MB in the beginning and 70.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-18 20:31:47,373 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:31:47,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.45ms. Allocated memory is still 127.9MB. Free memory was 88.5MB in the beginning and 92.1MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:31:47,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.34ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 89.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:31:47,375 INFO L158 Benchmark]: Boogie Preprocessor took 36.17ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:31:47,375 INFO L158 Benchmark]: RCFGBuilder took 756.36ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 66.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-18 20:31:47,376 INFO L158 Benchmark]: BuchiAutomizer took 972.86ms. Allocated memory is still 127.9MB. Free memory was 66.3MB in the beginning and 71.6MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:31:47,376 INFO L158 Benchmark]: Witness Printer took 47.79ms. Allocated memory is still 127.9MB. Free memory was 71.6MB in the beginning and 70.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:31:47,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 106.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.45ms. Allocated memory is still 127.9MB. Free memory was 88.5MB in the beginning and 92.1MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.34ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 89.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.17ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 756.36ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 66.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 972.86ms. Allocated memory is still 127.9MB. Free memory was 66.3MB in the beginning and 71.6MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.79ms. Allocated memory is still 127.9MB. Free memory was 71.6MB in the beginning and 70.1MB in the end (delta: 1.5MB). 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 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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! [2022-11-18 20:31:47,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fd5899-930f-4930-a5bd-0b3fe1e62592/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)