./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp4f.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_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/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_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/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_03811318-1503-4c60-8bcb-39091bc503c0/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 d0e87381a99f974959089d289c3e17de6c0fbe6e5c639d91434f52ec27b6b2ed --- 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 16:59:14,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:14,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:14,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:14,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:14,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:14,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:14,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:14,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:14,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:14,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:14,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:14,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:14,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:14,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:14,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:15,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:15,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:15,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:15,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:15,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:15,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:15,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:15,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:15,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:15,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:15,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:15,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:15,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:15,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:15,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:15,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:15,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:15,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:15,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:15,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:15,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:15,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:15,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:15,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:15,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:15,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:15,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:15,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:15,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:15,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:15,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:15,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:15,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:15,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:15,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:15,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:15,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:15,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:15,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:15,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:15,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:15,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:15,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:15,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:15,103 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:15,104 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:15,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:15,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:15,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:15,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:15,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:15,105 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:15,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:15,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:15,107 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_03811318-1503-4c60-8bcb-39091bc503c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0e87381a99f974959089d289c3e17de6c0fbe6e5c639d91434f52ec27b6b2ed [2022-10-17 16:59:15,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:15,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:15,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:15,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:15,507 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:15,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/indp4f.c [2022-10-17 16:59:15,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/data/d788ec1ec/2bb7e35cfc7b47b8a031505664f9f081/FLAGfce26b06e [2022-10-17 16:59:16,100 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:16,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/sv-benchmarks/c/array-fpi/indp4f.c [2022-10-17 16:59:16,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/data/d788ec1ec/2bb7e35cfc7b47b8a031505664f9f081/FLAGfce26b06e [2022-10-17 16:59:16,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/data/d788ec1ec/2bb7e35cfc7b47b8a031505664f9f081 [2022-10-17 16:59:16,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:16,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:16,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:16,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:16,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:16,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5e813a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16, skipping insertion in model container [2022-10-17 16:59:16,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:16,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:16,709 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_03811318-1503-4c60-8bcb-39091bc503c0/sv-benchmarks/c/array-fpi/indp4f.c[589,602] [2022-10-17 16:59:16,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:16,749 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:16,763 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_03811318-1503-4c60-8bcb-39091bc503c0/sv-benchmarks/c/array-fpi/indp4f.c[589,602] [2022-10-17 16:59:16,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:16,802 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:16,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16 WrapperNode [2022-10-17 16:59:16,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:16,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:16,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:16,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:16,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,840 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-10-17 16:59:16,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:16,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:16,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:16,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:16,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,866 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:16,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:16,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:16,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:16,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:16" (1/1) ... [2022-10-17 16:59:16,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:16,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:16,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:16,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:59:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:59:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:59:17,034 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:17,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:17,195 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:17,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:17,269 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:59:17,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:17 BoogieIcfgContainer [2022-10-17 16:59:17,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:17,281 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:17,281 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:17,291 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:17,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 16:59:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 16:59:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:59:17,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:17,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:17,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:59:17,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:17,750 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 16:59:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:59:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:59:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:17,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:17,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:17,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:59:17,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:17,867 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 16:59:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:59:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:59:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:17,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:18,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:59:18,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:59:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:59:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:18,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:18,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:18,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:59:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:18,306 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 16:59:18,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:59:18 ImpRootNode [2022-10-17 16:59:18,348 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:59:18,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:59:18,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:59:18,350 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:59:18,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:17" (3/4) ... [2022-10-17 16:59:18,353 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:59:18,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03811318-1503-4c60-8bcb-39091bc503c0/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:59:18,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:59:18,431 INFO L158 Benchmark]: Toolchain (without parser) took 1986.38ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 68.7MB in the beginning and 123.0MB in the end (delta: -54.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:18,432 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 84.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:18,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.40ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 84.1MB in the end (delta: -15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:59:18,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.60ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 82.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:18,434 INFO L158 Benchmark]: Boogie Preprocessor took 36.22ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 81.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:18,434 INFO L158 Benchmark]: RCFGBuilder took 402.08ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 67.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:59:18,435 INFO L158 Benchmark]: CodeCheck took 1067.64ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 67.3MB in the beginning and 125.0MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:18,436 INFO L158 Benchmark]: Witness Printer took 81.42ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:18,439 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 15 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 224 SyntacticMatches, 0 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, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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); [L30] i=0 VAL [a={-1:0}, i=0, N=1] [L30] COND TRUE i