./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 2329fc70 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_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0218.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 14:59:36,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:59:36,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:59:36,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:59:36,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:59:36,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:59:36,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:59:36,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:59:36,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:59:36,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:59:36,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:59:36,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:59:36,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:59:36,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:59:36,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:59:36,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:59:36,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:59:36,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:59:36,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:59:36,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:59:36,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:59:36,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:59:36,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:59:36,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:59:36,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:59:36,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:59:36,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:59:36,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:59:36,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:59:36,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:59:36,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:59:36,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:59:36,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:59:36,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:59:36,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:59:36,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:59:36,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:59:36,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:59:36,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:59:36,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:59:36,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:59:36,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 14:59:36,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:59:36,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:59:36,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:59:36,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:59:36,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:59:36,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:59:36,862 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:59:36,863 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:59:36,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:59:36,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:59:36,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:59:36,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:59:36,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:59:36,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:59:36,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:59:36,865 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:59:36,866 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_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0144744ce48339ff9171f70682ff014d707c8affcdd45929fe7382e980b7693 [2022-12-13 14:59:37,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:59:37,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:59:37,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:59:37,050 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:59:37,051 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:59:37,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/memsafety/test-0218.i [2022-12-13 14:59:39,554 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:59:39,754 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:59:39,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/sv-benchmarks/c/memsafety/test-0218.i [2022-12-13 14:59:39,763 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/data/227b00c44/f718850e90594758835895bb415b4bac/FLAG4094a4b5f [2022-12-13 14:59:40,114 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/data/227b00c44/f718850e90594758835895bb415b4bac [2022-12-13 14:59:40,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:59:40,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:59:40,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:40,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:59:40,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:59:40,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b15212e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40, skipping insertion in model container [2022-12-13 14:59:40,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:59:40,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:59:40,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:40,370 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:59:40,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:40,422 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:59:40,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40 WrapperNode [2022-12-13 14:59:40,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:40,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:40,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:59:40,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:59:40,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,456 INFO L138 Inliner]: procedures = 181, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2022-12-13 14:59:40,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:40,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:59:40,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:59:40,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:59:40,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,477 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:59:40,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:59:40,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:59:40,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:59:40,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (1/1) ... [2022-12-13 14:59:40,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:59:40,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:59:40,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:59:40,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:59:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 14:59:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 14:59:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:59:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:59:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:59:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:59:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:59:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 14:59:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:59:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:59:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:59:40,625 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:59:40,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:59:40,631 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-13 14:59:40,848 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:59:40,853 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:59:40,853 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-13 14:59:40,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:40 BoogieIcfgContainer [2022-12-13 14:59:40,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:59:40,856 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:59:40,856 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:59:40,859 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:59:40,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:59:40,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:59:40" (1/3) ... [2022-12-13 14:59:40,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153e1a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:59:40, skipping insertion in model container [2022-12-13 14:59:40,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:59:40,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:40" (2/3) ... [2022-12-13 14:59:40,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153e1a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:59:40, skipping insertion in model container [2022-12-13 14:59:40,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:59:40,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:40" (3/3) ... [2022-12-13 14:59:40,862 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0218.i [2022-12-13 14:59:40,899 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:59:40,900 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:59:40,900 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:59:40,900 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:59:40,900 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:59:40,900 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:59:40,900 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:59:40,900 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:59:40,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:59:40,919 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-12-13 14:59:40,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:59:40,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:59:40,923 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:59:40,923 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:59:40,924 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:59:40,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 14:59:40,926 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 35 [2022-12-13 14:59:40,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:59:40,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:59:40,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:59:40,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 14:59:40,932 INFO L748 eck$LassoCheckResult]: Stem: 44#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_#t~nondet28#1, main_#t~ret31#1, main_#t~nondet30#1, main_#t~nondet27#1, main_#t~nondet32#1, main_#t~mem33#1.base, main_#t~mem33#1.offset, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 13#L726-2true [2022-12-13 14:59:40,933 INFO L750 eck$LassoCheckResult]: Loop: 13#L726-2true assume !!(0 != main_#t~nondet27#1);havoc main_#t~nondet27#1; 19#L724-2true assume !(0 != main_#t~nondet28#1);havoc main_#t~nondet28#1; 26#L726-1true assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 13#L726-2true [2022-12-13 14:59:40,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:40,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-12-13 14:59:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:40,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109622930] [2022-12-13 14:59:40,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:40,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:59:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:59:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:59:41,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:41,058 INFO L85 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2022-12-13 14:59:41,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:41,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819208055] [2022-12-13 14:59:41,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:41,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:59:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:59:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:59:41,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:41,071 INFO L85 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2022-12-13 14:59:41,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:41,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204110963] [2022-12-13 14:59:41,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:41,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:59:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:59:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:59:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:59:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:59:41,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:59:41 BoogieIcfgContainer [2022-12-13 14:59:41,312 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:59:41,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:59:41,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:59:41,312 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:59:41,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:40" (3/4) ... [2022-12-13 14:59:41,314 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 14:59:41,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:59:41,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:59:41,338 INFO L158 Benchmark]: Toolchain (without parser) took 1221.74ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 93.1MB in the end (delta: 16.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:41,339 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:59:41,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.09ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 14:59:41,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.20ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:59:41,340 INFO L158 Benchmark]: Boogie Preprocessor took 23.38ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:41,340 INFO L158 Benchmark]: RCFGBuilder took 374.24ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 61.1MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 14:59:41,340 INFO L158 Benchmark]: BuchiAutomizer took 455.90ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 94.6MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:59:41,341 INFO L158 Benchmark]: Witness Printer took 25.25ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:59:41,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.09ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.20ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.38ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.24ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 61.1MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 455.90ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 94.6MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 25.25ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.1MB 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 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! [2022-12-13 14:59:41,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677bb3d4-f7e0-47ef-9242-eb9bd5e79004/bin/uautomizer-uyxdKDjOR8/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)