./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB --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 7849780e572f4b715fd4a0599e2552ba9e578b3aff0bf5f111ebb8575b54953d --- 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-dbf71c6-m [2022-10-17 16:43:18,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:18,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:18,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:18,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:18,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:18,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:18,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:18,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:18,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:18,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:18,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:18,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:18,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:18,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:18,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:18,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:18,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:18,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:18,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:18,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:18,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:18,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:18,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:18,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:18,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:18,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:18,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:18,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:18,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:18,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:18,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:18,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:18,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:18,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:18,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:18,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:18,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:18,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:18,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:18,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:18,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:43:18,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:18,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:18,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:18,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:18,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:18,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:18,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:18,661 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:18,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:18,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:18,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:18,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:18,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:18,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:18,662 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:18,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:18,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:18,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:18,663 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:18,664 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:18,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:18,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:18,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:18,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:18,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:18,674 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:18,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:18,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:18,675 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_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7849780e572f4b715fd4a0599e2552ba9e578b3aff0bf5f111ebb8575b54953d [2022-10-17 16:43:18,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:19,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:19,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:19,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:19,018 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:19,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ifeqn4f.c [2022-10-17 16:43:19,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/data/893466a7b/1de2ea2f6a884ed58153d947d286ef40/FLAGf64087ea2 [2022-10-17 16:43:19,533 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:19,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/sv-benchmarks/c/array-fpi/ifeqn4f.c [2022-10-17 16:43:19,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/data/893466a7b/1de2ea2f6a884ed58153d947d286ef40/FLAGf64087ea2 [2022-10-17 16:43:19,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/data/893466a7b/1de2ea2f6a884ed58153d947d286ef40 [2022-10-17 16:43:19,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:19,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:19,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:19,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:19,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:19,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:19" (1/1) ... [2022-10-17 16:43:19,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d157b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:19, skipping insertion in model container [2022-10-17 16:43:19,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:19" (1/1) ... [2022-10-17 16:43:19,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:19,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:20,128 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_524d78a9-a777-4ef5-b944-7b6f95e23b6b/sv-benchmarks/c/array-fpi/ifeqn4f.c[590,603] [2022-10-17 16:43:20,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:20,171 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:20,192 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_524d78a9-a777-4ef5-b944-7b6f95e23b6b/sv-benchmarks/c/array-fpi/ifeqn4f.c[590,603] [2022-10-17 16:43:20,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:20,234 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:20,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20 WrapperNode [2022-10-17 16:43:20,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:20,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:20,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:20,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:20,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,288 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-10-17 16:43:20,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:20,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:20,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:20,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:20,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:20,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:20,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:20,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:20,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:20,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:20,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:20,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:43:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:43:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:43:20,468 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:20,470 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:20,704 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:20,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:20,834 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:43:20,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:20 BoogieIcfgContainer [2022-10-17 16:43:20,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:20,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:20,838 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:20,849 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:20,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:20" (1/1) ... [2022-10-17 16:43:20,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:20,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:43:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:43:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:43:20,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:20,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:43:21,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:43:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:43:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:43:21,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:21,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:43:21,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:43:21,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:43:21,590 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:43:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:43:21,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:21,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:43:21,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:21,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 16:43:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:43:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:43:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:43:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:43:22,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:22,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:22,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:43:22,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:43:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2022-10-17 16:43:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2022-10-17 16:43:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:43:23,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:23,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:23,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:43:23,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:43:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:43:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:43:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:43:24,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:24,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:43:24,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:43:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:43:24,568 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-10-17 16:43:24,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:43:24 ImpRootNode [2022-10-17 16:43:24,651 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:43:24,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:43:24,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:43:24,651 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:43:24,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:20" (3/4) ... [2022-10-17 16:43:24,654 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:43:24,735 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_524d78a9-a777-4ef5-b944-7b6f95e23b6b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:43:24,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:43:24,736 INFO L158 Benchmark]: Toolchain (without parser) took 4803.93ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 74.3MB in the beginning and 109.4MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:24,737 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:24,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.07ms. Allocated memory is still 115.3MB. Free memory was 74.2MB in the beginning and 89.7MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:43:24,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.41ms. Allocated memory is still 115.3MB. Free memory was 89.7MB in the beginning and 88.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:24,738 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 86.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:24,739 INFO L158 Benchmark]: RCFGBuilder took 522.90ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 71.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:43:24,740 INFO L158 Benchmark]: CodeCheck took 3812.85ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 71.8MB in the beginning and 112.5MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:24,741 INFO L158 Benchmark]: Witness Printer took 83.99ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 109.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:24,744 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: 3.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 324 IncrementalHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 25 mSDtfsCounter, 324 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 466 GetRequests, 382 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2878 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 8 NumberOfNonLiveVariables, 475 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 8/13 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] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L31] i=0 VAL [a={-1:0}, b={4:0}, i=0, N=2] [L31] COND TRUE i