./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs3f.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_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/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_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/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_2030107f-9478-47be-941e-3f656f1f2d53/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 1a50ddc0c317f6668332af6451167549968b4421299586257d39221cfadcc25e --- 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 16:31:51,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:51,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:51,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:51,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:51,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:51,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:51,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:51,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:51,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:51,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:51,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:51,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:51,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:51,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:51,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:51,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:51,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:51,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:51,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:51,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:51,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:51,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:51,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:51,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:51,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:51,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:51,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:51,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:51,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:51,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:51,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:51,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:51,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:51,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:51,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:51,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:51,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:51,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:51,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:51,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:51,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:51,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:51,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:52,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:52,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:52,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:52,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:52,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:52,001 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:52,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:52,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:52,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:52,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:52,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:52,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:52,003 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:52,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:52,003 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:52,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:52,003 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:52,004 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:52,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:52,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:52,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:52,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:52,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:52,011 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:52,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:52,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:52,011 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_2030107f-9478-47be-941e-3f656f1f2d53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a50ddc0c317f6668332af6451167549968b4421299586257d39221cfadcc25e [2022-10-17 16:31:52,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:52,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:52,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:52,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:52,286 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:52,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/brs3f.c [2022-10-17 16:31:52,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/data/0cb9e3a38/6e03166be2554601b7b4848869e04ec0/FLAGf6bbdecb5 [2022-10-17 16:31:52,799 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:52,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/sv-benchmarks/c/array-fpi/brs3f.c [2022-10-17 16:31:52,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/data/0cb9e3a38/6e03166be2554601b7b4848869e04ec0/FLAGf6bbdecb5 [2022-10-17 16:31:53,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/data/0cb9e3a38/6e03166be2554601b7b4848869e04ec0 [2022-10-17 16:31:53,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:53,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:53,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:53,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:53,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:53,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781273b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53, skipping insertion in model container [2022-10-17 16:31:53,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:53,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:53,423 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_2030107f-9478-47be-941e-3f656f1f2d53/sv-benchmarks/c/array-fpi/brs3f.c[588,601] [2022-10-17 16:31:53,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:53,473 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:53,489 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_2030107f-9478-47be-941e-3f656f1f2d53/sv-benchmarks/c/array-fpi/brs3f.c[588,601] [2022-10-17 16:31:53,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:53,528 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:53,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53 WrapperNode [2022-10-17 16:31:53,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:53,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:53,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:53,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:53,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,584 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-10-17 16:31:53,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:53,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:53,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:53,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:53,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:53,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:53,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:53,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:53,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:53,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:53,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:53,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:31:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:31:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:31:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:53,784 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:53,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:54,009 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:54,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:54,109 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:31:54,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:54 BoogieIcfgContainer [2022-10-17 16:31:54,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:54,112 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:54,113 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:54,123 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:54,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:31:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:31:54,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:31:54,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:54,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:54,629 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 16:31:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:31:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:31:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:31:54,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:54,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:54,911 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 16:31:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:31:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:31:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:31:54,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:54,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:31:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 16:31:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 16:31:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:31:55,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2022-10-17 16:31:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2022-10-17 16:31:56,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:31:56,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:56,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:56,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:31:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:56,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:31:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:56,443 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-10-17 16:31:56,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:31:56 ImpRootNode [2022-10-17 16:31:56,493 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:31:56,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:31:56,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:31:56,494 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:31:56,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:54" (3/4) ... [2022-10-17 16:31:56,497 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:31:56,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2030107f-9478-47be-941e-3f656f1f2d53/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:31:56,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:31:56,588 INFO L158 Benchmark]: Toolchain (without parser) took 3407.14ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 51.1MB in the beginning and 55.2MB in the end (delta: -4.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-10-17 16:31:56,588 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:56,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.76ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 68.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:31:56,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.14ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 67.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:56,589 INFO L158 Benchmark]: Boogie Preprocessor took 47.08ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 65.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:56,590 INFO L158 Benchmark]: RCFGBuilder took 478.16ms. Allocated memory is still 96.5MB. Free memory was 65.8MB in the beginning and 51.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:31:56,590 INFO L158 Benchmark]: CodeCheck took 2380.60ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 51.4MB in the beginning and 57.2MB in the end (delta: -5.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-10-17 16:31:56,591 INFO L158 Benchmark]: Witness Printer took 93.43ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:56,593 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: 2.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 16 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 4/7 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] i=0 VAL [a={13963:0}, i=0, N=2, sum={13965:0}] [L31] COND TRUE i