./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81456131c45f7c685633a27c8ee6ecc80df50671172b8fe4e30241e213f94d91 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:53,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:53,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:53,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:53,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:53,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:53,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:53,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:53,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:53,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:53,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:53,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:53,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:53,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:53,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:53,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:53,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:53,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:53,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:53,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:53,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:53,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:53,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:53,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:53,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:53,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:53,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:53,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:53,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:53,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:53,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:53,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:53,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:53,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:53,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:53,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:53,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:53,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:53,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:53,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:53,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:53,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:53,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:53,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:53,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:53,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:53,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:53,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:53,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:53,656 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:53,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:53,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:53,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:53,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:53,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:53,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:53,658 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:53,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:53,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:53,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:53,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:53,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:53,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:53,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:53,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:53,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:53,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:53,661 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:53,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:53,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:53,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81456131c45f7c685633a27c8ee6ecc80df50671172b8fe4e30241e213f94d91 [2021-11-23 15:51:53,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:53,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:53,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:53,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:53,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:53,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2021-11-23 15:51:54,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/data/26e4eb93d/2919aea8fa894bf8931101dd30ba87be/FLAG8f565fb47 [2021-11-23 15:51:54,534 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:54,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2021-11-23 15:51:54,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/data/26e4eb93d/2919aea8fa894bf8931101dd30ba87be/FLAG8f565fb47 [2021-11-23 15:51:54,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/data/26e4eb93d/2919aea8fa894bf8931101dd30ba87be [2021-11-23 15:51:54,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:54,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:54,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:54,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:54,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1727661b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54, skipping insertion in model container [2021-11-23 15:51:54,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:54,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:55,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i[822,835] [2021-11-23 15:51:55,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:55,119 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:55,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i[822,835] [2021-11-23 15:51:55,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:55,152 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:55,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55 WrapperNode [2021-11-23 15:51:55,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:55,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:55,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:55,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:55,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,198 INFO L137 Inliner]: procedures = 18, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-11-23 15:51:55,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:55,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:55,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:55,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:55,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:55,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:55,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:55,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:55,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:55,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:55,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:55,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:51:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:51:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:51:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:51:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:55,388 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:55,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:55,601 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:55,621 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:51:55,621 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:51:55,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:55 BoogieIcfgContainer [2021-11-23 15:51:55,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:51:55,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:51:55,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:51:55,636 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:51:55,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:55" (1/1) ... [2021-11-23 15:51:55,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:51:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-23 15:51:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-11-23 15:51:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:51:55,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:55,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:55,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:56,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2021-11-23 15:51:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2021-11-23 15:51:56,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:51:56,036 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-11-23 15:51:56,046 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 15:51:56,065 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 15:51:56,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:51:56 ImpRootNode [2021-11-23 15:51:56,070 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:51:56,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:51:56,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:51:56,073 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:51:56,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:55" (3/4) ... [2021-11-23 15:51:56,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:51:56,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 15:51:56,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 15:51:56,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 15:51:56,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 15:51:56,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:51:56,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:51:56,149 INFO L158 Benchmark]: Toolchain (without parser) took 1261.00ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 56.5MB in the beginning and 53.1MB in the end (delta: 3.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:56,149 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:56,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.31ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 86.7MB in the end (delta: -30.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:56,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 85.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:56,151 INFO L158 Benchmark]: Boogie Preprocessor took 24.40ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:56,151 INFO L158 Benchmark]: RCFGBuilder took 399.31ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 73.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:56,152 INFO L158 Benchmark]: CodeCheck took 445.27ms. Allocated memory is still 111.1MB. Free memory was 73.1MB in the beginning and 55.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:56,152 INFO L158 Benchmark]: Witness Printer took 76.19ms. Allocated memory is still 111.1MB. Free memory was 55.2MB in the beginning and 53.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:56,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.31ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 86.7MB in the end (delta: -30.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 85.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.40ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.31ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 73.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 445.27ms. Allocated memory is still 111.1MB. Free memory was 73.1MB in the beginning and 55.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 76.19ms. Allocated memory is still 111.1MB. Free memory was 55.2MB in the beginning and 53.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:51:56,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b33ac90-103f-47d2-83e9-246fbf511b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE