./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/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 c976dd79cabe443ac09b5b35c5674998e922b27b ......................................................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-10-26 20:16:29,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:16:29,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:16:29,956 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:16:29,957 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:16:29,958 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:16:29,961 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:16:29,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:16:29,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:16:29,969 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:16:29,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:16:29,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:16:29,973 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:16:29,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:16:29,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:16:29,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:16:29,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:16:29,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:16:29,988 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:16:29,989 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:16:29,993 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:16:29,994 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:16:29,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:16:29,996 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:16:29,996 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:16:29,997 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:16:30,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:16:30,003 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:16:30,004 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:16:30,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:16:30,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:16:30,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:16:30,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:16:30,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:16:30,010 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:16:30,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:16:30,011 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:16:30,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:16:30,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:16:30,036 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:16:30,037 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:16:30,038 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:16:30,039 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:16:30,039 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:16:30,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:16:30,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:16:30,040 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:16:30,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:16:30,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:16:30,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:16:30,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:16:30,041 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:16:30,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:16:30,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:16:30,041 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:16:30,041 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:16:30,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:16:30,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:16:30,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:16:30,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:16:30,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:16:30,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:16:30,043 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:16:30,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:16:30,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:16:30,043 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/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 -> c976dd79cabe443ac09b5b35c5674998e922b27b [2018-10-26 20:16:30,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:16:30,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:16:30,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:16:30,135 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:16:30,136 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:16:30,136 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_false-unreach-call.i [2018-10-26 20:16:30,192 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/data/970dbecd8/1b2a8bc77e9742c3817a5baa07e477a1/FLAGc0b709761 [2018-10-26 20:16:30,583 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:16:30,584 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/sv-benchmarks/c/ldv-regression/mutex_lock_int_true-termination.c_false-unreach-call.i [2018-10-26 20:16:30,590 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/data/970dbecd8/1b2a8bc77e9742c3817a5baa07e477a1/FLAGc0b709761 [2018-10-26 20:16:30,604 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/data/970dbecd8/1b2a8bc77e9742c3817a5baa07e477a1 [2018-10-26 20:16:30,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:16:30,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:16:30,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:16:30,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:16:30,617 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:16:30,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ed68ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30, skipping insertion in model container [2018-10-26 20:16:30,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:16:30,651 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:16:30,804 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:16:30,815 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:16:30,831 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:16:30,848 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:16:30,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30 WrapperNode [2018-10-26 20:16:30,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:16:30,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:16:30,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:16:30,850 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:16:30,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:16:30,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:16:30,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:16:30,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:16:30,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... [2018-10-26 20:16:30,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:16:30,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:16:30,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:16:30,901 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:16:30,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:16:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/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 [2018-10-26 20:16:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 20:16:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure err [2018-10-26 20:16:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2018-10-26 20:16:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-10-26 20:16:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-10-26 20:16:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:16:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:16:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 20:16:31,604 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:16:31,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:31 BoogieIcfgContainer [2018-10-26 20:16:31,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:16:31,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:16:31,606 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:16:31,619 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:16:31,619 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:31" (1/1) ... [2018-10-26 20:16:31,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:16:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-26 20:16:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-26 20:16:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 20:16:31,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:16:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:16:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:16:32,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:16:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 15 transitions. [2018-10-26 20:16:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-26 20:16:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 20:16:32,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:16:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:16:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:16:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:16:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:16:32,404 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 20:16:32,423 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,424 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,425 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,425 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:16:32 ImpRootNode [2018-10-26 20:16:32,440 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:16:32,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:16:32,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:16:32,440 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:16:32,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:16:31" (3/4) ... [2018-10-26 20:16:32,445 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:16:32,446 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,446 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,447 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,447 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:16:32,490 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58973548-4e6a-4cb5-bde3-b2d5ad97470d/bin-2019/ukojak/witness.graphml [2018-10-26 20:16:32,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:16:32,491 INFO L168 Benchmark]: Toolchain (without parser) took 1879.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:32,492 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:16:32,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:32,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.66 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:16:32,495 INFO L168 Benchmark]: Boogie Preprocessor took 16.06 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:32,495 INFO L168 Benchmark]: RCFGBuilder took 704.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:32,496 INFO L168 Benchmark]: CodeCheck took 834.23 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:32,497 INFO L168 Benchmark]: Witness Printer took 49.92 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:16:32,503 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 20 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L30] CALL int m; [L30] RET int m; [L31] FCALL m = 0 [L33] CALL mutex_lock(&m) VAL [a={6:0}] [L18] EXPR, FCALL \read(*a) VAL [\read(*a)=0, a={6:0}, a={6:0}] [L18] COND FALSE !(*a == 1) [L19] RET, FCALL *a = 1 [L33] mutex_lock(&m) [L37] CALL mutex_lock(&m) VAL [a={6:0}] [L18] EXPR, FCALL \read(*a) VAL [\read(*a)=1, a={6:0}, a={6:0}] [L18] COND TRUE *a == 1 [L18] CALL err() [L14] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.66 ms. Allocated memory is still 1.0 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.06 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 704.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * CodeCheck took 834.23 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 49.92 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! Received shutdown request...