./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/callfpointer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/callfpointer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ --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 45c43693f4f3f91586cc9df19022a185dd3623f205cbd940b3980f4c3e305a9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:55:46,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:55:46,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:55:46,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:55:46,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:55:46,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:55:46,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:55:46,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:55:46,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:55:46,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:55:46,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:55:46,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:55:46,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:55:46,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:55:46,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:55:46,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:55:46,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:55:46,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:55:46,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:55:46,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:55:46,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:55:46,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:55:46,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:55:46,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:55:46,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:55:46,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:55:46,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:55:46,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:55:46,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:55:46,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:55:46,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:55:46,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:55:46,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:55:46,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:55:46,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:55:46,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:55:46,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:55:46,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:55:46,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:55:46,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:55:46,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:55:46,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 16:55:46,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:55:46,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:55:46,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:55:46,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:55:46,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:55:46,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:55:46,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:55:46,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:55:46,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:55:46,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:55:46,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:55:46,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:55:46,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:55:46,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:55:46,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:55:46,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:55:46,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:55:46,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:55:46,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:55:46,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:55:46,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:55:46,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:55:46,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:55:46,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:55:46,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:55:46,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:55:46,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:55:46,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:55:46,791 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_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45c43693f4f3f91586cc9df19022a185dd3623f205cbd940b3980f4c3e305a9e [2022-11-20 16:55:47,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:55:47,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:55:47,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:55:47,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:55:47,072 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:55:47,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-regression/callfpointer.i [2022-11-20 16:55:50,312 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:55:50,524 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:55:50,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/sv-benchmarks/c/ldv-regression/callfpointer.i [2022-11-20 16:55:50,528 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/data/409f63062/9fa07fd105e2457c9419a606e2efa996/FLAG3cd0b1264 [2022-11-20 16:55:50,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/data/409f63062/9fa07fd105e2457c9419a606e2efa996 [2022-11-20 16:55:50,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:55:50,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:55:50,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:55:50,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:55:50,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:55:50,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3339e869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50, skipping insertion in model container [2022-11-20 16:55:50,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:55:50,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:55:50,707 WARN L237 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_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/sv-benchmarks/c/ldv-regression/callfpointer.i[335,348] [2022-11-20 16:55:50,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:55:50,722 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:55:50,734 WARN L237 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_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/sv-benchmarks/c/ldv-regression/callfpointer.i[335,348] [2022-11-20 16:55:50,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:55:50,749 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:55:50,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50 WrapperNode [2022-11-20 16:55:50,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:55:50,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:55:50,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:55:50,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:55:50,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,780 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 23 [2022-11-20 16:55:50,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:55:50,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:55:50,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:55:50,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:55:50,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:55:50,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:55:50,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:55:50,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:55:50,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:50" (1/1) ... [2022-11-20 16:55:50,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:55:50,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:55:50,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:55:50,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:55:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:55:50,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:55:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:55:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:55:50,964 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:55:50,966 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:55:51,037 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:55:51,059 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:55:51,059 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:55:51,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:51 BoogieIcfgContainer [2022-11-20 16:55:51,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:55:51,063 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:55:51,063 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:55:51,074 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:55:51,074 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:51" (1/1) ... [2022-11-20 16:55:51,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:55:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:55:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-20 16:55:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-11-20 16:55:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:55:51,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:55:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:55:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:55:51,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:55:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:55:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:55:51,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:55:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:55:51,335 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 16:55:51,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:55:51 ImpRootNode [2022-11-20 16:55:51,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:55:51,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:55:51,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:55:51,389 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:55:51,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:51" (3/4) ... [2022-11-20 16:55:51,391 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:55:51,436 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:55:51,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:55:51,437 INFO L158 Benchmark]: Toolchain (without parser) took 892.11ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 110.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 16:55:51,438 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:55:51,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.61ms. Allocated memory is still 192.9MB. Free memory was 145.0MB in the beginning and 135.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:55:51,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.75ms. Allocated memory is still 192.9MB. Free memory was 135.3MB in the beginning and 134.5MB in the end (delta: 729.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:55:51,440 INFO L158 Benchmark]: Boogie Preprocessor took 18.26ms. Allocated memory is still 192.9MB. Free memory was 133.9MB in the beginning and 133.2MB in the end (delta: 737.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:55:51,441 INFO L158 Benchmark]: RCFGBuilder took 262.23ms. Allocated memory is still 192.9MB. Free memory was 133.2MB in the beginning and 122.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:55:51,441 INFO L158 Benchmark]: CodeCheck took 324.91ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 111.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:55:51,442 INFO L158 Benchmark]: Witness Printer took 47.99ms. Allocated memory is still 192.9MB. Free memory was 111.5MB in the beginning and 110.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:55:51,446 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] CALL f(h) [L11] CALL g(1) [L15] COND TRUE i==1 VAL [\old(i)=1, i=1] [L16] reach_error() VAL [\old(i)=1, i=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.61ms. Allocated memory is still 192.9MB. Free memory was 145.0MB in the beginning and 135.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.75ms. Allocated memory is still 192.9MB. Free memory was 135.3MB in the beginning and 134.5MB in the end (delta: 729.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.26ms. Allocated memory is still 192.9MB. Free memory was 133.9MB in the beginning and 133.2MB in the end (delta: 737.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 262.23ms. Allocated memory is still 192.9MB. Free memory was 133.2MB in the beginning and 122.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 324.91ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 111.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 47.99ms. Allocated memory is still 192.9MB. Free memory was 111.5MB in the beginning and 110.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:55:51,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe237cb-976c-4d7e-8831-2c0c60d6e03b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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