./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/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 0.1.25-f470102 [2019-12-01 17:37:38,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 17:37:38,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 17:37:38,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 17:37:38,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 17:37:38,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 17:37:38,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 17:37:38,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 17:37:38,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 17:37:38,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 17:37:38,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 17:37:38,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 17:37:38,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 17:37:38,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 17:37:38,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 17:37:38,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 17:37:38,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 17:37:38,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 17:37:38,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 17:37:38,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 17:37:38,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 17:37:38,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 17:37:38,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 17:37:38,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 17:37:38,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 17:37:38,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 17:37:38,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 17:37:38,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 17:37:38,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 17:37:38,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 17:37:38,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 17:37:38,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 17:37:38,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 17:37:38,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 17:37:38,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 17:37:38,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 17:37:38,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 17:37:38,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 17:37:38,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 17:37:38,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 17:37:38,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 17:37:38,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 17:37:38,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 17:37:38,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 17:37:38,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 17:37:38,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 17:37:38,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 17:37:38,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 17:37:38,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 17:37:38,664 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 17:37:38,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 17:37:38,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 17:37:38,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 17:37:38,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 17:37:38,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 17:37:38,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 17:37:38,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 17:37:38,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 17:37:38,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 17:37:38,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 17:37:38,665 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 17:37:38,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 17:37:38,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 17:37:38,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 17:37:38,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 17:37:38,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 17:37:38,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 17:37:38,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 17:37:38,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 17:37:38,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 17:37:38,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 17:37:38,667 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_caf19591-fbbd-41e7-a059-33063507deef/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 [2019-12-01 17:37:38,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 17:37:38,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 17:37:38,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 17:37:38,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 17:37:38,784 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 17:37:38,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-12-01 17:37:38,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/data/fe66bc557/ecdf0364e76c44169b7955a3f803ce55/FLAG965e44bc8 [2019-12-01 17:37:39,260 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 17:37:39,261 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2019-12-01 17:37:39,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/data/fe66bc557/ecdf0364e76c44169b7955a3f803ce55/FLAG965e44bc8 [2019-12-01 17:37:39,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/data/fe66bc557/ecdf0364e76c44169b7955a3f803ce55 [2019-12-01 17:37:39,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 17:37:39,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 17:37:39,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 17:37:39,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 17:37:39,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 17:37:39,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2c8852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39, skipping insertion in model container [2019-12-01 17:37:39,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 17:37:39,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 17:37:39,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 17:37:39,467 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 17:37:39,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 17:37:39,497 INFO L208 MainTranslator]: Completed translation [2019-12-01 17:37:39,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39 WrapperNode [2019-12-01 17:37:39,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 17:37:39,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 17:37:39,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 17:37:39,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 17:37:39,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 17:37:39,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 17:37:39,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 17:37:39,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 17:37:39,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 17:37:39,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 17:37:39,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 17:37:39,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 17:37:39,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/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 [2019-12-01 17:37:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-12-01 17:37:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-12-01 17:37:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-12-01 17:37:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-12-01 17:37:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-12-01 17:37:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-12-01 17:37:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 17:37:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 17:37:39,898 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 17:37:39,899 INFO L287 CfgBuilder]: Removed 26 assume(true) statements. [2019-12-01 17:37:39,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:37:39 BoogieIcfgContainer [2019-12-01 17:37:39,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 17:37:39,900 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 17:37:39,900 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 17:37:39,907 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 17:37:39,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:37:39" (1/1) ... [2019-12-01 17:37:39,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 17:37:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2019-12-01 17:37:39,940 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2019-12-01 17:37:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 17:37:39,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:37:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:37:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:37:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:37:40,064 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-12-01 17:37:40,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:37:40 ImpRootNode [2019-12-01 17:37:40,090 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 17:37:40,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 17:37:40,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 17:37:40,090 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 17:37:40,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:37:39" (3/4) ... [2019-12-01 17:37:40,092 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 17:37:40,132 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_caf19591-fbbd-41e7-a059-33063507deef/bin/ukojak/witness.graphml [2019-12-01 17:37:40,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 17:37:40,134 INFO L168 Benchmark]: Toolchain (without parser) took 854.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -66.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 17:37:40,134 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 17:37:40,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 17:37:40,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 17:37:40,135 INFO L168 Benchmark]: Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 17:37:40,135 INFO L168 Benchmark]: RCFGBuilder took 358.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2019-12-01 17:37:40,136 INFO L168 Benchmark]: CodeCheck took 189.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-01 17:37:40,136 INFO L168 Benchmark]: Witness Printer took 42.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 17:37:40,137 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: 0.1s, 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 358.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * CodeCheck took 189.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...