./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_14-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak --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 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 ........................................................................................................................................................................................................................................................................................ 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 0.2.0-69874e2 [2020-12-01 16:45:36,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:45:36,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:45:36,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:45:36,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:45:36,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:45:36,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:45:36,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:45:36,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:45:36,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:45:36,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:45:36,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:45:36,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:45:36,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:45:36,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:45:36,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:45:36,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:45:36,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:45:36,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:45:36,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:45:36,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:45:36,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:45:36,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:45:36,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:45:36,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:45:36,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:45:36,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:45:36,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:45:36,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:45:36,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:45:36,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:45:36,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:45:36,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:45:36,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:45:36,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:45:36,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:45:36,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:45:36,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:45:36,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:45:36,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:45:36,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:45:36,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:45:36,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:45:36,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:45:36,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:45:36,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:45:36,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:45:36,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:45:36,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:45:36,695 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:45:36,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:45:36,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:45:36,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:45:36,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:45:36,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:45:36,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:45:36,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:45:36,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:45:36,699 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:45:36,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:45:36,699 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:45:36,699 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:45:36,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:45:36,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:45:36,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:45:36,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:45:36,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:45:36,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:45:36,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:45:36,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:45:36,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:45:36,702 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-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 [2020-12-01 16:45:37,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:45:37,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:45:37,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:45:37,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:45:37,118 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:45:37,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_14-2.c [2020-12-01 16:45:37,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/data/4a0654520/6c6aa92bc1ad4e46b341eabbf580e901/FLAG74aca323c [2020-12-01 16:45:37,664 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:45:37,665 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/sv-benchmarks/c/locks/test_locks_14-2.c [2020-12-01 16:45:37,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/data/4a0654520/6c6aa92bc1ad4e46b341eabbf580e901/FLAG74aca323c [2020-12-01 16:45:38,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/data/4a0654520/6c6aa92bc1ad4e46b341eabbf580e901 [2020-12-01 16:45:38,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:45:38,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:45:38,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:38,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:45:38,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:45:38,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52238494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38, skipping insertion in model container [2020-12-01 16:45:38,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:45:38,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:45:38,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:38,343 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:45:38,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:38,399 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:45:38,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38 WrapperNode [2020-12-01 16:45:38,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:38,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:38,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:45:38,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:45:38,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:38,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:45:38,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:45:38,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:45:38,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... [2020-12-01 16:45:38,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:45:38,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:45:38,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:45:38,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:45:38,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/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 [2020-12-01 16:45:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:45:38,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:45:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:45:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:45:39,434 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:45:39,435 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 16:45:39,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:45:39 BoogieIcfgContainer [2020-12-01 16:45:39,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:45:39,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:45:39,438 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:45:39,448 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:45:39,448 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:45:39" (1/1) ... [2020-12-01 16:45:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:45:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2020-12-01 16:45:39,490 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2020-12-01 16:45:39,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:45:39,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:45:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2020-12-01 16:45:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2020-12-01 16:45:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:45:39,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:45:39,800 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:45:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:45:39,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:45:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:45:39,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:45:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:45:39,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:45:39,994 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-12-01 16:45:40,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:45:40 ImpRootNode [2020-12-01 16:45:40,024 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:45:40,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:45:40,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:45:40,025 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:45:40,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:45:39" (3/4) ... [2020-12-01 16:45:40,031 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:45:40,102 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b441a688-ef3b-4599-9855-c65de3d6278d/bin/ukojak/witness.graphml [2020-12-01 16:45:40,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:45:40,111 INFO L168 Benchmark]: Toolchain (without parser) took 2046.70 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.6 MB in the beginning and 38.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:40,115 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:45:40,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.47 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 58.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:40,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 81.8 MB. Free memory was 58.8 MB in the beginning and 56.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:40,118 INFO L168 Benchmark]: Boogie Preprocessor took 58.59 ms. Allocated memory is still 81.8 MB. Free memory was 56.9 MB in the beginning and 55.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:40,118 INFO L168 Benchmark]: RCFGBuilder took 929.31 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.5 MB in the beginning and 73.3 MB in the end (delta: -17.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:40,119 INFO L168 Benchmark]: CodeCheck took 586.32 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 41.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:40,119 INFO L168 Benchmark]: Witness Printer took 85.14 ms. Allocated memory is still 98.6 MB. Free memory was 41.1 MB in the beginning and 38.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:40,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 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, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND TRUE p3 != 0 [L97] lk3 = 1 [L100] COND TRUE p4 != 0 [L101] lk4 = 1 [L104] COND FALSE !(p5 != 0) [L108] COND TRUE p6 != 0 [L109] lk6 = 1 [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND TRUE p8 != 0 [L117] lk8 = 1 [L120] COND FALSE !(p9 != 0) [L124] COND TRUE p10 != 0 [L125] lk10 = 1 [L128] COND FALSE !(p11 != 0) [L132] COND FALSE !(p12 != 0) [L136] COND FALSE !(p13 != 0) [L140] COND FALSE !(p14 != 0) [L146] COND FALSE !(p1 != 0) [L151] COND FALSE !(p2 != 0) [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 330.47 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 58.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.59 ms. Allocated memory is still 81.8 MB. Free memory was 58.8 MB in the beginning and 56.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.59 ms. Allocated memory is still 81.8 MB. Free memory was 56.9 MB in the beginning and 55.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 929.31 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.5 MB in the beginning and 73.3 MB in the end (delta: -17.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * CodeCheck took 586.32 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 41.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 85.14 ms. Allocated memory is still 98.6 MB. Free memory was 41.1 MB in the beginning and 38.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...