./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s1iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s1iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4 --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 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 --- 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-2329fc7 [2022-12-14 20:03:37,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:03:37,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:03:37,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:03:37,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:03:37,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:03:37,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:03:37,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:03:37,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:03:37,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:03:37,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:03:37,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:03:37,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:03:37,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:03:37,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:03:37,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:03:37,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:03:37,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:03:37,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:03:37,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:03:37,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:03:37,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:03:37,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:03:37,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:03:37,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:03:37,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:03:37,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:03:37,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:03:37,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:03:37,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:03:37,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:03:37,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:03:37,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:03:37,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:03:37,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:03:37,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:03:37,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:03:37,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:03:37,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:03:37,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:03:37,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:03:37,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:03:37,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:03:37,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:03:37,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:03:37,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:03:37,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:03:37,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:03:37,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:03:37,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:03:37,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:03:37,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:03:37,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:03:37,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:03:37,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:03:37,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:03:37,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:03:37,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:03:37,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:03:37,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:03:37,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:03:37,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:03:37,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:03:37,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:03:37,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:03:37,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:03:37,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:03:37,888 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:03:37,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:03:37,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:03:37,888 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_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 [2022-12-14 20:03:38,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:03:38,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:03:38,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:03:38,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:03:38,066 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:03:38,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-fpi/s1iff.c [2022-12-14 20:03:40,570 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:03:40,685 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:03:40,686 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/sv-benchmarks/c/array-fpi/s1iff.c [2022-12-14 20:03:40,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/data/64199fa7a/92bba86b530e458684cb06e186083a29/FLAGff122537a [2022-12-14 20:03:40,700 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/data/64199fa7a/92bba86b530e458684cb06e186083a29 [2022-12-14 20:03:40,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:03:40,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:03:40,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:03:40,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:03:40,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:03:40,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751eed50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40, skipping insertion in model container [2022-12-14 20:03:40,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:03:40,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:03:40,825 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_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2022-12-14 20:03:40,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:03:40,846 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:03:40,855 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_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2022-12-14 20:03:40,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:03:40,870 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:03:40,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40 WrapperNode [2022-12-14 20:03:40,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:03:40,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:03:40,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:03:40,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:03:40,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,896 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-14 20:03:40,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:03:40,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:03:40,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:03:40,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:03:40,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:03:40,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:03:40,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:03:40,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:03:40,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:40" (1/1) ... [2022-12-14 20:03:40,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:03:40,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:03:40,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:03:40,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:03:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:03:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:03:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:03:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:03:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:03:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:03:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:03:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:03:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:03:41,030 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:03:41,031 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:03:41,138 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:03:41,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:03:41,176 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:03:41,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:41 BoogieIcfgContainer [2022-12-14 20:03:41,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:03:41,179 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:03:41,179 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:03:41,186 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:03:41,187 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:41" (1/1) ... [2022-12-14 20:03:41,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:03:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-12-14 20:03:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-12-14 20:03:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:03:41,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:41,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:03:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-12-14 20:03:41,466 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-12-14 20:03:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:03:41,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:03:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 20:03:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 20:03:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:03:41,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:41,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:41,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 20:03:41,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:41,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 20:03:41,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-12-14 20:03:41,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 20:03:41,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-12-14 20:03:41,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2022-12-14 20:03:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:03:42,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2022-12-14 20:03:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2022-12-14 20:03:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:03:42,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:42,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:42,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:03:42,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:03:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:42,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2022-12-14 20:03:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2022-12-14 20:03:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:03:42,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:42,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:42,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:03:42,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:03:43,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:43,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2022-12-14 20:03:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2022-12-14 20:03:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:03:43,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:43,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:03:43,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:03:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:03:43,705 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-12-14 20:03:43,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:03:43 ImpRootNode [2022-12-14 20:03:43,724 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:03:43,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:03:43,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:03:43,724 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:03:43,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:41" (3/4) ... [2022-12-14 20:03:43,726 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 20:03:43,756 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46b6f14-3be2-4ae8-b31b-f9ab6c229cb9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:03:43,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:03:43,757 INFO L158 Benchmark]: Toolchain (without parser) took 3053.66ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 98.0MB in the beginning and 85.0MB in the end (delta: 13.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-12-14 20:03:43,757 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:03:43,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.54ms. Allocated memory is still 136.3MB. Free memory was 97.6MB in the beginning and 87.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:03:43,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.04ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 85.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:03:43,759 INFO L158 Benchmark]: Boogie Preprocessor took 18.21ms. Allocated memory is still 136.3MB. Free memory was 85.5MB in the beginning and 84.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:03:43,759 INFO L158 Benchmark]: RCFGBuilder took 262.77ms. Allocated memory is still 136.3MB. Free memory was 84.1MB in the beginning and 69.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:03:43,760 INFO L158 Benchmark]: CodeCheck took 2545.03ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 69.4MB in the beginning and 87.1MB in the end (delta: -17.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-12-14 20:03:43,760 INFO L158 Benchmark]: Witness Printer took 32.36ms. Allocated memory is still 176.2MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:03:43,763 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 20 mSDtfsCounter, 263 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 320 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1760 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 1 QuantifiedInterpolants, 200 SizeOfPredicates, 10 NumberOfNonLiveVariables, 344 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 5/11 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 sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [a={5:0}, i=0, N=2, sum={7:0}] [L32] COND TRUE i