./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum_array-2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum_array-2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 --- 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-b5237d8 [2022-11-21 21:50:30,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:50:30,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:50:30,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:50:30,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:50:30,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:50:30,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:50:30,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:50:30,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:50:30,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:50:30,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:50:30,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:50:30,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:50:30,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:50:30,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:50:30,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:50:30,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:50:30,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:50:30,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:50:30,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:50:30,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:50:30,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:50:30,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:50:30,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:50:30,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:50:30,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:50:30,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:50:30,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:50:30,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:50:30,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:50:30,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:50:30,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:50:30,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:50:30,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:50:30,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:50:30,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:50:30,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:50:30,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:50:30,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:50:30,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:50:30,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:50:30,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 21:50:30,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:50:30,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:50:30,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:50:30,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:50:30,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:50:30,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:50:30,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:50:30,880 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:50:30,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:50:30,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:50:30,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:50:30,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:50:30,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:50:30,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:50:30,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:50:30,883 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:50:30,883 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:50:30,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:50:30,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:50:30,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:50:30,884 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:50:30,884 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:50:30,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:50:30,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:30,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:50:30,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:50:30,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:50:30,886 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:50:30,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:50:30,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:50:30,887 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_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e94a2410b8f9c85a45197b99fd856588e050ecf98cb4c3bee10ba4be0dc2732 [2022-11-21 21:50:31,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:50:31,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:50:31,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:50:31,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:50:31,187 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:50:31,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loops/sum_array-2-1.i [2022-11-21 21:50:34,273 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:50:34,464 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:50:34,464 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/sv-benchmarks/c/loops/sum_array-2-1.i [2022-11-21 21:50:34,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/data/aa3abf5e3/5d754bdb95174392be4d1b0519ff3728/FLAG53f0776b9 [2022-11-21 21:50:34,484 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/data/aa3abf5e3/5d754bdb95174392be4d1b0519ff3728 [2022-11-21 21:50:34,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:50:34,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:50:34,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:34,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:50:34,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:50:34,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c43b62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34, skipping insertion in model container [2022-11-21 21:50:34,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:50:34,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:50:34,663 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_585e8a9c-c836-40c3-9c66-c692640a63af/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2022-11-21 21:50:34,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:34,687 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:50:34,700 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_585e8a9c-c836-40c3-9c66-c692640a63af/sv-benchmarks/c/loops/sum_array-2-1.i[940,953] [2022-11-21 21:50:34,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:34,726 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:50:34,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34 WrapperNode [2022-11-21 21:50:34,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:34,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:34,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:50:34,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:50:34,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,771 INFO L138 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-11-21 21:50:34,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:34,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:50:34,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:50:34,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:50:34,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,803 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:50:34,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:50:34,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:50:34,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:50:34,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:34" (1/1) ... [2022-11-21 21:50:34,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:34,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:50:34,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:50:34,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:50:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:50:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:50:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:50:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:50:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:50:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:50:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:50:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:50:34,943 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:50:34,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:50:35,172 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:50:35,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:50:35,234 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 21:50:35,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:35 BoogieIcfgContainer [2022-11-21 21:50:35,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:50:35,238 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:50:35,238 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:50:35,257 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:50:35,257 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:35" (1/1) ... [2022-11-21 21:50:35,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:50:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-21 21:50:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-21 21:50:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 21:50:35,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:50:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2022-11-21 21:50:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2022-11-21 21:50:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:50:35,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:35,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:50:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2022-11-21 21:50:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2022-11-21 21:50:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:50:36,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:36,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:50:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-11-21 21:50:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-11-21 21:50:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 21:50:36,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:36,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:50:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:50:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:50:39,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2022-11-21 21:50:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2022-11-21 21:50:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:50:39,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:50:39,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:50:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:50:40,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:50:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:50:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:50:40,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:50:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:50:40,209 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-11-21 21:50:40,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:50:40 ImpRootNode [2022-11-21 21:50:40,270 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:50:40,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:50:40,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:50:40,271 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:50:40,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:35" (3/4) ... [2022-11-21 21:50:40,274 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 21:50:40,313 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_585e8a9c-c836-40c3-9c66-c692640a63af/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:50:40,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:50:40,314 INFO L158 Benchmark]: Toolchain (without parser) took 5825.84ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 167.3MB in the beginning and 147.4MB in the end (delta: 19.9MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-21 21:50:40,315 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:50:40,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.19ms. Allocated memory is still 209.7MB. Free memory was 167.3MB in the beginning and 156.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 21:50:40,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.01ms. Allocated memory is still 209.7MB. Free memory was 156.4MB in the beginning and 154.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:40,317 INFO L158 Benchmark]: Boogie Preprocessor took 34.66ms. Allocated memory is still 209.7MB. Free memory was 154.8MB in the beginning and 153.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:40,317 INFO L158 Benchmark]: RCFGBuilder took 428.85ms. Allocated memory is still 209.7MB. Free memory was 153.2MB in the beginning and 136.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 21:50:40,318 INFO L158 Benchmark]: CodeCheck took 5032.85ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 136.4MB in the beginning and 149.5MB in the end (delta: -13.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-21 21:50:40,319 INFO L158 Benchmark]: Witness Printer took 42.14ms. Allocated memory is still 251.7MB. Free memory was 149.5MB in the beginning and 147.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:40,323 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 26 mSDtfsCounter, 213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 246 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/3 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: 42]: integer overflow possible integer overflow possible We found a FailurePath: [L27] unsigned int M = __VERIFIER_nondet_uint(); [L28] COND FALSE !(M > 1000000) [L31] int A[M], B[M], C[M]; [L32] unsigned int i; [L33] i=0 VAL [A={29604:0}, B={29602:0}, C={29603:0}, i=0, M=1] [L33] COND TRUE i