./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/1_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 900cc87915f78d8f9b7a01f7b163a61da3f269083f153e9256c9ee6a33b8e554 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:12:26,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:12:26,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:12:26,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:12:26,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:12:26,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:12:26,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:12:26,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:12:26,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:12:26,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:12:26,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:12:26,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:12:26,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:12:26,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:12:26,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:12:26,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:12:26,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:12:26,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:12:26,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:12:26,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:12:26,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:12:26,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:12:26,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:12:26,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:12:26,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:12:26,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:12:26,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:12:26,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:12:26,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:12:26,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:12:26,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:12:26,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:12:26,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:12:26,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:12:26,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:12:26,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:12:26,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:12:26,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:12:26,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:12:26,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:12:26,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:12:26,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:12:26,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:12:26,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:12:26,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:12:26,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:12:26,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:12:26,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:12:26,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:12:26,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:12:26,149 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:12:26,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:12:26,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:12:26,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:12:26,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:12:26,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:12:26,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:12:26,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:12:26,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:12:26,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:12:26,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:12:26,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:12:26,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:12:26,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:12:26,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:12:26,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:12:26,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:12:26,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:12:26,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:12:26,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:12:26,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:12:26,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:12:26,154 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:12:26,154 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:12:26,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:12:26,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:12:26,155 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_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 900cc87915f78d8f9b7a01f7b163a61da3f269083f153e9256c9ee6a33b8e554 [2021-11-19 05:12:26,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:12:26,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:12:26,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:12:26,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:12:26,552 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:12:26,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-regression/1_3.i [2021-11-19 05:12:26,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/data/f93eab7e3/007731f347da4ca88514aca21a22e1d7/FLAG8f4550624 [2021-11-19 05:12:27,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:12:27,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/sv-benchmarks/c/ldv-regression/1_3.i [2021-11-19 05:12:27,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/data/f93eab7e3/007731f347da4ca88514aca21a22e1d7/FLAG8f4550624 [2021-11-19 05:12:27,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/data/f93eab7e3/007731f347da4ca88514aca21a22e1d7 [2021-11-19 05:12:27,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:12:27,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:12:27,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:12:27,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:12:27,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:12:27,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:27,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a320ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27, skipping insertion in model container [2021-11-19 05:12:27,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:27,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:12:27,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:12:27,870 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_86cb8a7d-6bda-493c-8b61-7751f7c17226/sv-benchmarks/c/ldv-regression/1_3.i[285,298] [2021-11-19 05:12:27,912 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:12:27,924 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:12:27,946 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_86cb8a7d-6bda-493c-8b61-7751f7c17226/sv-benchmarks/c/ldv-regression/1_3.i[285,298] [2021-11-19 05:12:27,955 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:12:27,975 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:12:27,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27 WrapperNode [2021-11-19 05:12:27,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:12:27,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:12:27,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:12:27,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:12:27,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:27,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,022 INFO L137 Inliner]: procedures = 18, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2021-11-19 05:12:28,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:12:28,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:12:28,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:12:28,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:12:28,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:12:28,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:12:28,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:12:28,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:12:28,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2021-11-19 05:12:28,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:12:28,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:12:28,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:12:28,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:12:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2021-11-19 05:12:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2021-11-19 05:12:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:12:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:12:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:12:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:12:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:12:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:12:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:12:28,255 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:12:28,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:12:28,444 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:12:28,452 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:12:28,452 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:12:28,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:28 BoogieIcfgContainer [2021-11-19 05:12:28,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:12:28,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:12:28,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:12:28,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:12:28,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:12:27" (1/3) ... [2021-11-19 05:12:28,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66155a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:28, skipping insertion in model container [2021-11-19 05:12:28,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (2/3) ... [2021-11-19 05:12:28,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66155a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:28, skipping insertion in model container [2021-11-19 05:12:28,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:28" (3/3) ... [2021-11-19 05:12:28,465 INFO L111 eAbstractionObserver]: Analyzing ICFG 1_3.i [2021-11-19 05:12:28,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:12:28,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:12:28,542 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:12:28,550 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:12:28,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:12:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:12:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-19 05:12:28,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:12:28,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:12:28,604 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting freePtrErr0ASSERT_VIOLATIONERROR_FUNCTION === [freePtrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:12:28,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:12:28,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1328156884, now seen corresponding path program 1 times [2021-11-19 05:12:28,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:12:28,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332876466] [2021-11-19 05:12:28,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:12:28,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:12:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:12:29,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:12:29,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:12:29,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332876466] [2021-11-19 05:12:29,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332876466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:12:29,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:12:29,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:12:29,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875185040] [2021-11-19 05:12:29,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:12:29,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:12:29,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:12:29,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:12:29,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:12:29,074 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:12:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:12:29,184 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-11-19 05:12:29,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:12:29,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-19 05:12:29,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:12:29,201 INFO L225 Difference]: With dead ends: 33 [2021-11-19 05:12:29,201 INFO L226 Difference]: Without dead ends: 15 [2021-11-19 05:12:29,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:12:29,212 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:12:29,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 50 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:12:29,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-19 05:12:29,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-19 05:12:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:12:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2021-11-19 05:12:29,267 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 8 [2021-11-19 05:12:29,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:12:29,268 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2021-11-19 05:12:29,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:12:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2021-11-19 05:12:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 05:12:29,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:12:29,271 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:12:29,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:12:29,272 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting freePtrErr0ASSERT_VIOLATIONERROR_FUNCTION === [freePtrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:12:29,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:12:29,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1450995271, now seen corresponding path program 1 times [2021-11-19 05:12:29,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:12:29,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571944238] [2021-11-19 05:12:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:12:29,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:12:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:12:29,322 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:12:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:12:29,406 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:12:29,407 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:12:29,418 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location freePtrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:12:29,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:12:29,430 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 05:12:29,436 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:12:29,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:12:29 BoogieIcfgContainer [2021-11-19 05:12:29,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:12:29,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:12:29,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:12:29,493 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:12:29,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:28" (3/4) ... [2021-11-19 05:12:29,496 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 05:12:29,569 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:12:29,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:12:29,573 INFO L158 Benchmark]: Toolchain (without parser) took 1971.63ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 81.1MB in the beginning and 94.0MB in the end (delta: -13.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-11-19 05:12:29,574 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 109.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:12:29,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.96ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 81.1MB in the beginning and 137.2MB in the end (delta: -56.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:12:29,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.83ms. Allocated memory is still 163.6MB. Free memory was 137.2MB in the beginning and 135.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:12:29,576 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 163.6MB. Free memory was 135.9MB in the beginning and 134.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:12:29,576 INFO L158 Benchmark]: RCFGBuilder took 386.28ms. Allocated memory is still 163.6MB. Free memory was 134.7MB in the beginning and 125.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:12:29,576 INFO L158 Benchmark]: TraceAbstraction took 1033.41ms. Allocated memory is still 163.6MB. Free memory was 124.6MB in the beginning and 96.0MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-19 05:12:29,577 INFO L158 Benchmark]: Witness Printer took 77.80ms. Allocated memory is still 163.6MB. Free memory was 96.0MB in the beginning and 94.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:12:29,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 109.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.96ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 81.1MB in the beginning and 137.2MB in the end (delta: -56.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.83ms. Allocated memory is still 163.6MB. Free memory was 137.2MB in the beginning and 135.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.76ms. Allocated memory is still 163.6MB. Free memory was 135.9MB in the beginning and 134.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.28ms. Allocated memory is still 163.6MB. Free memory was 134.7MB in the beginning and 125.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1033.41ms. Allocated memory is still 163.6MB. Free memory was 124.6MB in the beginning and 96.0MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 77.80ms. Allocated memory is still 163.6MB. Free memory was 96.0MB in the beginning and 94.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L52] rr * ptr1 = 0; [L53] CALL, EXPR getPtr() [L39] CALL, EXPR getrr() [L32] rr * r = (rr *)malloc(sizeof *r); [L33] r -> state = 0 [L34] return r; VAL [\result={-1:0}, r={-1:0}] [L39] RET, EXPR getrr() [L39] rr * r = getrr(); [L40] r -> state = 1 [L41] return r; VAL [\result={-1:0}, r={-1:0}] [L53] RET, EXPR getPtr() [L53] ptr1 = getPtr() [L54] CALL freePtr(ptr1) [L46] EXPR ptr -> state VAL [ptr={-1:0}, ptr={-1:0}, ptr -> state=1] [L46] (ptr -> state == 1) ? (0) : __blast_assert () VAL [ptr={-1:0}, ptr={-1:0}, ptr -> state=1] [L47] ptr -> state = 2 VAL [ptr={-1:0}, ptr={-1:0}] [L54] RET freePtr(ptr1) VAL [ptr1={-1:0}] [L56] CALL freePtr(ptr1) [L46] EXPR ptr -> state VAL [ptr={-1:0}, ptr={-1:0}, ptr -> state=2] [L46] (ptr -> state == 1) ? (0) : __blast_assert () [L46] CALL __blast_assert () [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-19 05:12:29,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cb8a7d-6bda-493c-8b61-7751f7c17226/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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