./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condmf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/condmf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ --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 8b6b1727c7f27bf18b238c3c1fb010948773bc04ec7ceea86889167b58abd536 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:48:33,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:48:33,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:48:33,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:48:33,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:48:33,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:48:33,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:48:33,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:48:33,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:48:33,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:48:33,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:48:33,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:48:33,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:48:33,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:48:33,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:48:33,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:48:33,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:48:33,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:48:33,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:48:33,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:48:33,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:48:33,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:48:33,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:48:33,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:48:33,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:48:33,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:48:33,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:48:33,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:48:33,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:48:33,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:48:33,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:48:33,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:48:33,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:48:33,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:48:33,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:48:33,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:48:33,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:48:33,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:48:33,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:48:33,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:48:33,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:48:33,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:48:33,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:48:33,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:48:33,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:48:33,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:48:33,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:48:33,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:48:33,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:48:33,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:48:33,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:48:33,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:48:33,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:48:33,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:48:33,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:48:33,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:48:33,173 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:48:33,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:48:33,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:48:33,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:48:33,173 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:48:33,174 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:48:33,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:48:33,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:33,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:48:33,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:48:33,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:48:33,175 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:48:33,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:48:33,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:48:33,175 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_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b6b1727c7f27bf18b238c3c1fb010948773bc04ec7ceea86889167b58abd536 [2021-11-23 00:48:33,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:48:33,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:48:33,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:48:33,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:48:33,524 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:48:33,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/condmf.c [2021-11-23 00:48:33,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/data/088ab778b/45463c1b884946ebbecc7363a0ac383b/FLAG71de8f5dd [2021-11-23 00:48:34,140 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:48:34,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/sv-benchmarks/c/array-fpi/condmf.c [2021-11-23 00:48:34,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/data/088ab778b/45463c1b884946ebbecc7363a0ac383b/FLAG71de8f5dd [2021-11-23 00:48:34,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/data/088ab778b/45463c1b884946ebbecc7363a0ac383b [2021-11-23 00:48:34,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:48:34,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:48:34,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:34,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:48:34,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:48:34,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446b335f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34, skipping insertion in model container [2021-11-23 00:48:34,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:48:34,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:48:34,718 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_33861466-7a85-4c16-b4fa-d6ad5cc9986d/sv-benchmarks/c/array-fpi/condmf.c[589,602] [2021-11-23 00:48:34,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:34,750 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:48:34,765 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_33861466-7a85-4c16-b4fa-d6ad5cc9986d/sv-benchmarks/c/array-fpi/condmf.c[589,602] [2021-11-23 00:48:34,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:34,791 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:48:34,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34 WrapperNode [2021-11-23 00:48:34,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:34,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:34,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:48:34,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:48:34,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,840 INFO L137 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2021-11-23 00:48:34,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:34,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:48:34,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:48:34,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:48:34,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:48:34,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:48:34,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:48:34,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:48:34,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:34,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:48:34,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:48:34,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:48:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:48:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:48:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:48:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:48:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:48:34,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:48:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:48:35,039 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:48:35,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:48:35,166 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:48:35,207 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:48:35,208 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:48:35,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:35 BoogieIcfgContainer [2021-11-23 00:48:35,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:48:35,211 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:48:35,212 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:48:35,222 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:48:35,222 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:35" (1/1) ... [2021-11-23 00:48:35,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:48:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:48:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:48:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:48:35,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:35,529 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 00:48:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:48:35,625 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:48:35,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:35,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:48:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:48:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:48:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:48:35,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:48:35,941 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:48:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:48:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:48:36,071 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:48:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:48:36,120 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-11-23 00:48:36,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:48:36 ImpRootNode [2021-11-23 00:48:36,171 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:48:36,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:48:36,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:48:36,177 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:48:36,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:35" (3/4) ... [2021-11-23 00:48:36,180 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:48:36,253 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:48:36,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:48:36,254 INFO L158 Benchmark]: Toolchain (without parser) took 1768.25ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 52.3MB in the beginning and 71.0MB in the end (delta: -18.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-11-23 00:48:36,255 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:48:36,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.88ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 52.3MB in the beginning and 85.2MB in the end (delta: -33.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 00:48:36,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.57ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 83.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:36,256 INFO L158 Benchmark]: Boogie Preprocessor took 34.69ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:36,257 INFO L158 Benchmark]: RCFGBuilder took 332.63ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 70.6MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:48:36,258 INFO L158 Benchmark]: CodeCheck took 959.69ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 73.0MB in the end (delta: -2.5MB). Peak memory consumption was 220.4kB. Max. memory is 16.1GB. [2021-11-23 00:48:36,258 INFO L158 Benchmark]: Witness Printer took 76.69ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:36,265 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, 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, 43 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 10 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] int *a = malloc(sizeof(int)*N); [L30] i = 0 VAL [a={-1:0}, i=0, N=1] [L30] COND TRUE i < N [L32] a[i] = 0 [L30] i++ VAL [a={-1:0}, i=1, N=1] [L30] COND FALSE !(i < N) [L35] i = 0 VAL [a={-1:0}, i=0, N=1] [L35] COND TRUE i < N [L37] COND TRUE N%2 == 1 [L39] EXPR a[i] [L39] a[i] = a[i] + 2 [L35] i++ VAL [a={-1:0}, a[i]=0, a[i]=18, i=1, N=1] [L35] COND FALSE !(i < N) [L47] i = 0 VAL [a={-1:0}, a[i]=0, a[i]=18, i=0, N=1] [L47] COND TRUE i < N [L49] EXPR a[i] [L49] CALL __VERIFIER_assert(a[i] % 2 == N % 2) [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, N=1] [L15] reach_error() VAL [\old(cond)=0, cond=0, N=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.88ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 52.3MB in the beginning and 85.2MB in the end (delta: -33.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.57ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 83.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.69ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.63ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 70.6MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 959.69ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 73.0MB in the end (delta: -2.5MB). Peak memory consumption was 220.4kB. Max. memory is 16.1GB. * Witness Printer took 76.69ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:48:36,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33861466-7a85-4c16-b4fa-d6ad5cc9986d/bin/ukojak-LBtLqBUTdQ/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE