./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 375e158327910cae8c3594f7d2ad0376509a1ecb .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:06:15,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:06:15,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:06:15,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:06:15,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:06:15,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:06:15,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:06:15,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:06:15,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:06:15,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:06:15,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:06:15,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:06:15,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:06:15,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:06:15,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:06:15,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:06:15,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:06:15,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:06:15,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:06:15,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:06:15,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:06:15,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:06:15,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:06:15,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:06:15,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:06:15,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:06:15,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:06:15,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:06:15,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:06:15,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:06:15,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:06:15,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:06:15,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:06:15,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:06:15,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:06:15,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:06:15,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:06:15,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:06:15,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:06:15,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:06:15,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:06:15,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 03:06:15,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:06:15,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:06:15,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:06:15,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:06:15,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:06:15,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:06:15,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:06:15,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:06:15,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:06:15,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:06:15,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:06:15,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:06:15,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:06:15,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:06:15,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:06:15,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:06:15,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:06:15,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:06:15,279 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:06:15,279 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:06:15,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:06:15,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:06:15,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:06:15,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:06:15,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:06:15,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:06:15,280 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:06:15,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:06:15,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:06:15,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak 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(__VERIFIER_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 -> 375e158327910cae8c3594f7d2ad0376509a1ecb [2019-11-20 03:06:15,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:06:15,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:06:15,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:06:15,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:06:15,470 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:06:15,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-11-20 03:06:15,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/data/db782d23a/8bf26702cdff4e8f8bd6e48877a4e4bc/FLAG1340c36ad [2019-11-20 03:06:15,951 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:06:15,952 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-11-20 03:06:15,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/data/db782d23a/8bf26702cdff4e8f8bd6e48877a4e4bc/FLAG1340c36ad [2019-11-20 03:06:16,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/data/db782d23a/8bf26702cdff4e8f8bd6e48877a4e4bc [2019-11-20 03:06:16,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:06:16,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:06:16,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:06:16,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:06:16,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:06:16,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f670bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16, skipping insertion in model container [2019-11-20 03:06:16,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,278 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:06:16,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:06:16,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:06:16,601 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:06:16,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:06:16,663 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:06:16,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16 WrapperNode [2019-11-20 03:06:16,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:06:16,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:06:16,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:06:16,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:06:16,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:06:16,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:06:16,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:06:16,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:06:16,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... [2019-11-20 03:06:16,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:06:16,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:06:16,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:06:16,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:06:16,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:06:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:06:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-11-20 03:06:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-11-20 03:06:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-11-20 03:06:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-11-20 03:06:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-11-20 03:06:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-11-20 03:06:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:06:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:06:17,491 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:06:17,491 INFO L285 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-20 03:06:17,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:06:17 BoogieIcfgContainer [2019-11-20 03:06:17,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:06:17,493 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:06:17,494 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:06:17,504 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:06:17,505 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:06:17" (1/1) ... [2019-11-20 03:06:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:06:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:06:17,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2019-11-20 03:06:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2019-11-20 03:06:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:06:17,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:06:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:06:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:06:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:06:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:06:17,779 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-20 03:06:17,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:06:17 ImpRootNode [2019-11-20 03:06:17,835 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:06:17,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:06:17,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:06:17,836 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:06:17,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:06:17" (3/4) ... [2019-11-20 03:06:17,838 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 03:06:17,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eea61df3-f413-44c0-9bc8-ca7a1d22d498/bin/ukojak/witness.graphml [2019-11-20 03:06:17,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:06:17,911 INFO L168 Benchmark]: Toolchain (without parser) took 1647.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:06:17,911 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:06:17,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:06:17,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:06:17,912 INFO L168 Benchmark]: Boogie Preprocessor took 45.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:06:17,913 INFO L168 Benchmark]: RCFGBuilder took 732.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:06:17,913 INFO L168 Benchmark]: CodeCheck took 341.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:06:17,914 INFO L168 Benchmark]: Witness Printer took 73.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:06:17,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 50 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int q_buf_0 ; [L15] int q_free ; [L16] int q_read_ev ; [L17] int q_write_ev ; [L18] int p_num_write ; [L19] int p_last_write ; [L20] int p_dw_st ; [L21] int p_dw_pc ; [L22] int p_dw_i ; [L23] int c_num_read ; [L24] int c_last_read ; [L25] int c_dr_st ; [L26] int c_dr_pc ; [L27] int c_dr_i ; [L134] static int a_t ; [L350] int __retres1 ; [L336] q_free = 1 [L337] q_write_ev = 2 [L338] q_read_ev = q_write_ev [L339] p_num_write = 0 [L340] p_dw_pc = 0 [L341] p_dw_i = 1 [L342] c_num_read = 0 [L343] c_dr_pc = 0 [L344] c_dr_i = 1 [L304] int kernel_st ; [L305] int tmp ; [L309] kernel_st = 0 [L196] COND TRUE (int )p_dw_i == 1 [L197] p_dw_st = 0 [L201] COND TRUE (int )c_dr_i == 1 [L202] c_dr_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L313] COND TRUE 1 [L316] kernel_st = 1 [L231] int tmp ; [L232] int tmp___0 ; [L233] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L237] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L240] CALL, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L211] int __retres1 ; [L214] COND TRUE (int )p_dw_st == 0 [L215] __retres1 = 1 [L227] return (__retres1); [L240] RET, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L240] tmp___1 = exists_runnable_thread() [L242] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L247] COND TRUE (int )p_dw_st == 0 [L249] tmp = __VERIFIER_nondet_int() [L251] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L257] CALL error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L9] __VERIFIER_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 732.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * CodeCheck took 341.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 73.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...