./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/stateful_check_false-unreach-call_false-termination.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_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/stateful_check_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/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 1225f82562543767c482452e9133e4a69d5dae70 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:35:03,283 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:35:03,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:35:03,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:35:03,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:35:03,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:35:03,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:35:03,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:35:03,308 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:35:03,310 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:35:03,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:35:03,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:35:03,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:35:03,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:35:03,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:35:03,323 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:35:03,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:35:03,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:35:03,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:35:03,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:35:03,331 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:35:03,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:35:03,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:35:03,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:35:03,337 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:35:03,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:35:03,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:35:03,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:35:03,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:35:03,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:35:03,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:35:03,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:35:03,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:35:03,341 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:35:03,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:35:03,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:35:03,348 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:35:03,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:35:03,359 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:35:03,360 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:35:03,360 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:35:03,361 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:35:03,361 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:35:03,361 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:35:03,361 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:35:03,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:35:03,361 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:35:03,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:35:03,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:35:03,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:35:03,362 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:35:03,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:35:03,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:35:03,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:35:03,363 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:35:03,363 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:35:03,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:35:03,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:35:03,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:35:03,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:35:03,364 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:35:03,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:35:03,364 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:35:03,364 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:35:03,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:35:03,364 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_b97f78f7-180a-40c7-a999-f6ab85174d75/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 -> 1225f82562543767c482452e9133e4a69d5dae70 [2018-10-26 20:35:03,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:35:03,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:35:03,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:35:03,407 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:35:03,407 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:35:03,408 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/stateful_check_false-unreach-call_false-termination.i [2018-10-26 20:35:03,463 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/data/e2a26746d/ff9197f89ffe40819708d6236c718917/FLAGb1784d582 [2018-10-26 20:35:03,850 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:35:03,850 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/sv-benchmarks/c/ldv-regression/stateful_check_false-unreach-call_false-termination.i [2018-10-26 20:35:03,857 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/data/e2a26746d/ff9197f89ffe40819708d6236c718917/FLAGb1784d582 [2018-10-26 20:35:03,871 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/data/e2a26746d/ff9197f89ffe40819708d6236c718917 [2018-10-26 20:35:03,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:35:03,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:35:03,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:35:03,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:35:03,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:35:03,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:35:03" (1/1) ... [2018-10-26 20:35:03,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713c3cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:03, skipping insertion in model container [2018-10-26 20:35:03,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:35:03" (1/1) ... [2018-10-26 20:35:03,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:35:03,917 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:35:04,054 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:35:04,057 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:35:04,077 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:35:04,091 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:35:04,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04 WrapperNode [2018-10-26 20:35:04,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:35:04,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:35:04,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:35:04,093 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:35:04,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:35:04,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:35:04,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:35:04,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:35:04,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... [2018-10-26 20:35:04,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:35:04,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:35:04,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:35:04,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:35:04,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/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 20:35:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-10-26 20:35:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-10-26 20:35:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-10-26 20:35:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-10-26 20:35:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:35:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:35:05,131 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:35:05,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:35:05 BoogieIcfgContainer [2018-10-26 20:35:05,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:35:05,132 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:35:05,132 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:35:05,142 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:35:05,142 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:35:05" (1/1) ... [2018-10-26 20:35:05,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:35:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-10-26 20:35:05,187 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-10-26 20:35:05,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 20:35:05,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:05,271 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 20:35:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2018-10-26 20:35:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2018-10-26 20:35:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 20:35:05,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:05,317 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 20:35:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2018-10-26 20:35:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-10-26 20:35:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 20:35:05,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:35:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2018-10-26 20:35:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2018-10-26 20:35:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:35:05,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:35:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2018-10-26 20:35:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2018-10-26 20:35:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 20:35:05,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:05,535 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 20:35:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2018-10-26 20:35:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2018-10-26 20:35:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 20:35:05,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:35:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2018-10-26 20:35:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2018-10-26 20:35:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:35:05,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:35:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2018-10-26 20:35:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2018-10-26 20:35:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 20:35:06,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:35:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-10-26 20:35:06,065 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-10-26 20:35:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:35:06,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:35:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-10-26 20:35:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-10-26 20:35:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:35:06,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:35:06,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 95 transitions. [2018-10-26 20:35:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 95 transitions. [2018-10-26 20:35:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:35:06,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:35:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2018-10-26 20:35:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2018-10-26 20:35:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:35:06,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:35:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2018-10-26 20:35:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2018-10-26 20:35:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:35:07,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:35:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 113 transitions. [2018-10-26 20:35:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 113 transitions. [2018-10-26 20:35:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:35:07,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 20:35:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2018-10-26 20:35:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2018-10-26 20:35:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:35:07,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 20:35:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:07,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions. [2018-10-26 20:35:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions. [2018-10-26 20:35:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:35:07,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 20:35:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 115 transitions. [2018-10-26 20:35:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 115 transitions. [2018-10-26 20:35:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:35:07,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:35:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 77 states and 123 transitions. [2018-10-26 20:35:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2018-10-26 20:35:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:35:07,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:35:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:35:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:35:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 78 states and 123 transitions. [2018-10-26 20:35:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2018-10-26 20:35:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:35:07,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:35:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:35:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:35:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:35:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:35:08,037 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2018-10-26 20:35:08,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:35:08 ImpRootNode [2018-10-26 20:35:08,096 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:35:08,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:35:08,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:35:08,096 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:35:08,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:35:05" (3/4) ... [2018-10-26 20:35:08,099 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:35:08,200 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b97f78f7-180a-40c7-a999-f6ab85174d75/bin-2019/ukojak/witness.graphml [2018-10-26 20:35:08,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:35:08,206 INFO L168 Benchmark]: Toolchain (without parser) took 4331.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 954.4 MB in the beginning and 965.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 183.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:08,208 INFO L168 Benchmark]: CDTParser took 0.17 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 20:35:08,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.13 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:08,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.14 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 20:35:08,209 INFO L168 Benchmark]: Boogie Preprocessor took 21.02 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:35:08,209 INFO L168 Benchmark]: RCFGBuilder took 986.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 939.6 MB in the beginning and 1.2 GB in the end (delta: -214.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:08,210 INFO L168 Benchmark]: CodeCheck took 2963.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 968.6 MB in the end (delta: 185.9 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:08,210 INFO L168 Benchmark]: Witness Printer took 109.53 ms. Allocated memory is still 1.2 GB. Free memory was 968.6 MB in the beginning and 965.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:35:08,217 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, 47 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 19 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3194916 SDtfs, 1578856 SDslu, 2811324 SDs, 0 SdLazy, 675524 SolverSat, 456208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2912 GetRequests, 2863 SyntacticMatches, 9 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 14751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 141/155 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: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int ldv_mutex = 1; [L11] int open_called = 0; [L74] int ldv_s_misc_fops_file_operations = 0; [L75] CALL my_init() [L69] open_called = 0 [L70] RET return 0; [L75] my_init() [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L81] COND TRUE ldv_s_misc_fops_file_operations==0 [L82] CALL misc_open() [L57] COND TRUE __VERIFIER_nondet_int() [L59] RET return 1; [L82] misc_open() [L83] ldv_s_misc_fops_file_operations++ VAL [ldv_mutex=1, open_called=0] [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L88] case 1: [L89] COND TRUE ldv_s_misc_fops_file_operations==1 [L90] CALL misc_read() [L52] RET return 0; [L90] misc_read() [L91] ldv_s_misc_fops_file_operations++ VAL [ldv_mutex=1, open_called=0] [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L88] case 1: [L96] case 2: [L97] COND TRUE ldv_s_misc_fops_file_operations==2 [L98] CALL misc_llseek() [L48] RET return 0; [L98] misc_llseek() [L99] ldv_s_misc_fops_file_operations++ VAL [ldv_mutex=1, open_called=0] [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L88] case 1: [L96] case 2: [L104] case 3: VAL [ldv_mutex=1, open_called=0] [L105] COND TRUE ldv_s_misc_fops_file_operations==3 [L106] CALL misc_release() [L34] COND FALSE !(\read(open_called)) VAL [ldv_mutex=1, open_called=0] [L41] CALL mutex_lock() VAL [\old(ldv_mutex)=1, ldv_mutex=1, open_called=0] [L16] COND TRUE (ldv_mutex == 1) ? 0 : __blast_assert() VAL [\old(ldv_mutex)=1, ldv_mutex=1, open_called=0] [L17] RET ldv_mutex = 2 [L41] mutex_lock() VAL [ldv_mutex=2, open_called=0] [L42] CALL mutex_lock() VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] [L16] COND FALSE !((ldv_mutex == 1) ? 0 : __blast_assert()) VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] [L16] CALL __blast_assert() VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] [L4] __VERIFIER_error() VAL [\old(ldv_mutex)=2, ldv_mutex=2, open_called=0] * 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.13 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.14 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. * Boogie Preprocessor took 21.02 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 986.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 939.6 MB in the beginning and 1.2 GB in the end (delta: -214.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * CodeCheck took 2963.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 968.6 MB in the end (delta: 185.9 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. * Witness Printer took 109.53 ms. Allocated memory is still 1.2 GB. Free memory was 968.6 MB in the beginning and 965.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...