./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/bor5.i --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_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/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_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/bor5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/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_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/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 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 --- 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 17:03:20,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:20,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:20,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:20,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:20,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:20,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:20,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:20,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:20,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:20,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:20,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:20,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:20,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:20,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:20,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:20,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:20,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:20,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:20,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:20,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:20,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:20,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:20,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:20,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:20,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:20,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:20,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:20,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:20,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:20,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:20,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:20,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:20,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:20,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:20,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:20,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:20,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:20,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:20,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:20,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:20,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:20,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:20,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:20,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:20,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:20,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:20,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:20,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:20,534 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:20,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:20,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:20,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:20,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:20,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:20,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:20,535 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:20,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:20,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:20,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:20,536 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:20,536 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:20,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:20,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:20,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:20,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:20,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:20,537 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:20,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:20,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:20,538 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_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 [2022-10-17 17:03:20,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:20,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:20,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:20,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:20,869 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:20,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-crafted/bor5.i [2022-10-17 17:03:20,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/data/ca562896c/cae7b0b4a88648a3a81ab6b2a2774b09/FLAG0b4a32d77 [2022-10-17 17:03:21,373 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:21,373 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/sv-benchmarks/c/array-crafted/bor5.i [2022-10-17 17:03:21,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/data/ca562896c/cae7b0b4a88648a3a81ab6b2a2774b09/FLAG0b4a32d77 [2022-10-17 17:03:21,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/data/ca562896c/cae7b0b4a88648a3a81ab6b2a2774b09 [2022-10-17 17:03:21,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:21,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:21,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:21,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:21,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:21,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be2753c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21, skipping insertion in model container [2022-10-17 17:03:21,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:21,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:22,026 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_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/sv-benchmarks/c/array-crafted/bor5.i[1364,1377] [2022-10-17 17:03:22,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:22,044 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:22,073 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_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/sv-benchmarks/c/array-crafted/bor5.i[1364,1377] [2022-10-17 17:03:22,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:22,087 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:22,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22 WrapperNode [2022-10-17 17:03:22,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:22,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:22,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:22,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:22,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,150 INFO L138 Inliner]: procedures = 16, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2022-10-17 17:03:22,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:22,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:22,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:22,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:22,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,206 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:22,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:22,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:22,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:22,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:22,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:22,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:22,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure bor [2022-10-17 17:03:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bor [2022-10-17 17:03:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:03:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:03:22,419 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:22,421 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:22,635 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:22,839 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:22,839 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:03:22,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:22 BoogieIcfgContainer [2022-10-17 17:03:22,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:22,843 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:22,843 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:22,854 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:22,855 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:22" (1/1) ... [2022-10-17 17:03:22,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-10-17 17:03:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 17:03:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:03:22,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:22,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:03:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 17:03:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 17:03:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:03:23,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:03:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 32 transitions. [2022-10-17 17:03:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 17:03:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:03:23,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:03:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 31 transitions. [2022-10-17 17:03:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 17:03:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:03:24,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:24,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 17:03:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 33 transitions. [2022-10-17 17:03:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 17:03:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:24,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:24,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 32 transitions. [2022-10-17 17:03:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 17:03:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:03:25,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 17:03:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 33 transitions. [2022-10-17 17:03:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 17:03:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:03:25,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:25,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:25,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:25,852 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-10-17 17:03:25,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:03:25 ImpRootNode [2022-10-17 17:03:25,906 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:03:25,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:03:25,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:03:25,907 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:03:25,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:22" (3/4) ... [2022-10-17 17:03:25,910 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:03:26,031 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32f6ccb-d758-41df-b8d3-30babcbd7cdd/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:03:26,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:03:26,033 INFO L158 Benchmark]: Toolchain (without parser) took 4265.36ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 69.2MB in the beginning and 57.1MB in the end (delta: 12.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-10-17 17:03:26,034 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:03:26,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.91ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 65.1MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:03:26,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.10ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 63.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:26,037 INFO L158 Benchmark]: Boogie Preprocessor took 65.25ms. Allocated memory is still 90.2MB. Free memory was 63.3MB in the beginning and 61.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:26,038 INFO L158 Benchmark]: RCFGBuilder took 623.89ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 42.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 17:03:26,039 INFO L158 Benchmark]: CodeCheck took 3063.16ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 42.6MB in the beginning and 60.4MB in the end (delta: -17.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:26,040 INFO L158 Benchmark]: Witness Printer took 124.92ms. Allocated memory is still 109.1MB. Free memory was 60.4MB in the beginning and 57.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:03:26,046 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 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 178 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 715 SyntacticMatches, 169 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 83/90 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: 57]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int N; [L32] N = __VERIFIER_nondet_int() [L33] COND TRUE N > 1 [L34] int x[N]; [L35] int temp; [L36] int ret; [L37] int ret2; [L38] int ret5; [L40] int i = 0; VAL [i=0, N=2, x={15049:0}] [L40] COND TRUE i < N [L42] x[i] = __VERIFIER_nondet_int() [L40] i++ VAL [i=1, N=2, x={15049:0}] [L40] COND TRUE i < N [L42] x[i] = __VERIFIER_nondet_int() [L40] i++ VAL [i=2, N=2, x={15049:0}] [L40] COND FALSE !(i < N) VAL [i=2, N=2, x={15049:0}] [L45] CALL, EXPR bor(x) VAL [\old(res = res | x[i])=-1, N=2, res = res | x[i]=-1, x={15049:0}] [L21] int i; [L22] long long res; [L23] EXPR x[0] [L23] res = x[0] [L24] i = 1 VAL [\old(res = res | x[i])=-1, i=1, N=2, res=-2, res = res | x[i]=-1, x={15049:0}, x={15049:0}] [L24] COND TRUE i < N [L25] EXPR x[i] [L25] EXPR x[i] [L25] res = res | x[i] [L24] i++ VAL [\old(res = res | x[i])=-1, i=2, N=2, res=-2147483647, res = res | x[i]=-1, x={15049:0}, x={15049:0}] [L24] COND FALSE !(i < N) [L27] return res; [L45] RET, EXPR bor(x) VAL [bor(x)=-2147483647, i=2, N=2, res = res | x[i]=-1, x={15049:0}] [L45] ret = bor(x) [L47] EXPR x[0] [L47] temp=x[0] [L47] EXPR x[1] [L47] x[0] = x[1] [L47] x[1] = temp VAL [i=2, N=2, res = res | x[i]=-1, ret=-2147483647, temp=-2, x={15049:0}] [L48] CALL, EXPR bor(x) VAL [\old(res = res | x[i])=-1, N=2, res = res | x[i]=-1, x={15049:0}] [L21] int i; [L22] long long res; [L23] EXPR x[0] [L23] res = x[0] [L24] i = 1 VAL [\old(res = res | x[i])=-1, i=1, N=2, res=-1, res = res | x[i]=-1, x={15049:0}, x={15049:0}] [L24] COND TRUE i < N [L25] EXPR x[i] [L25] EXPR x[i] [L25] res = res | x[i] [L24] i++ VAL [\old(res = res | x[i])=-1, i=2, N=2, res=-9223372034707292160, res = res | x[i]=-1, x={15049:0}, x={15049:0}] [L24] COND FALSE !(i < N) [L27] return res; [L48] RET, EXPR bor(x) VAL [bor(x)=-2147483648, i=2, N=2, res = res | x[i]=-1, ret=-2147483647, temp=-2, x={15049:0}] [L48] ret2 = bor(x) [L49] EXPR x[0] [L49] temp=x[0] [L50] int i =0 ; VAL [i=0, i=2, N=2, res = res | x[i]=-1, ret=-2147483647, ret2=-2147483648, temp=-1, x={15049:0}] [L50] COND TRUE i