./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b24fe5aae04e52fa3254bedb47b3233a00d35d78 ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 12:36:34,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 12:36:34,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 12:36:34,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 12:36:34,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 12:36:34,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 12:36:34,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 12:36:34,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 12:36:34,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 12:36:34,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 12:36:34,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 12:36:34,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 12:36:34,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 12:36:34,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 12:36:34,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 12:36:34,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 12:36:34,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 12:36:34,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 12:36:34,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 12:36:34,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 12:36:34,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 12:36:34,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 12:36:34,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 12:36:34,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 12:36:34,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 12:36:34,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 12:36:34,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 12:36:34,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 12:36:34,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 12:36:34,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 12:36:34,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 12:36:34,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 12:36:34,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 12:36:34,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 12:36:34,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 12:36:34,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 12:36:34,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 12:36:34,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 12:36:34,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 12:36:34,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 12:36:34,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 12:36:34,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 12:36:34,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 12:36:34,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 12:36:34,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 12:36:34,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 12:36:34,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 12:36:34,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 12:36:34,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 12:36:34,190 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 12:36:34,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 12:36:34,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 12:36:34,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 12:36:34,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 12:36:34,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 12:36:34,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 12:36:34,191 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 12:36:34,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 12:36:34,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 12:36:34,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 12:36:34,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 12:36:34,191 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 12:36:34,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 12:36:34,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 12:36:34,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 12:36:34,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 12:36:34,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 12:36:34,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 12:36:34,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 12:36:34,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 12:36:34,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 12:36:34,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b24fe5aae04e52fa3254bedb47b3233a00d35d78 [2019-12-01 12:36:34,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 12:36:34,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 12:36:34,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 12:36:34,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 12:36:34,307 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 12:36:34,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/../../sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-12-01 12:36:34,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/data/7c08968b6/392b8df9430040e1be61875af5d4651d/FLAGd6cae38b6 [2019-12-01 12:36:34,842 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 12:36:34,843 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/sv-benchmarks/c/ldv-sets/test_mutex_double_lock.i [2019-12-01 12:36:34,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/data/7c08968b6/392b8df9430040e1be61875af5d4651d/FLAGd6cae38b6 [2019-12-01 12:36:34,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/data/7c08968b6/392b8df9430040e1be61875af5d4651d [2019-12-01 12:36:34,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 12:36:34,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 12:36:34,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 12:36:34,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 12:36:34,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 12:36:34,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:36:34" (1/1) ... [2019-12-01 12:36:34,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1356f157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:34, skipping insertion in model container [2019-12-01 12:36:34,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:36:34" (1/1) ... [2019-12-01 12:36:34,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 12:36:34,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 12:36:35,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:36:35,126 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 12:36:35,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:36:35,201 INFO L208 MainTranslator]: Completed translation [2019-12-01 12:36:35,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35 WrapperNode [2019-12-01 12:36:35,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 12:36:35,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 12:36:35,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 12:36:35,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 12:36:35,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 12:36:35,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 12:36:35,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 12:36:35,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 12:36:35,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 12:36:35,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 12:36:35,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 12:36:35,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 12:36:35,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:36:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 12:36:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-12-01 12:36:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-12-01 12:36:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-12-01 12:36:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2019-12-01 12:36:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 12:36:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 12:36:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-01 12:36:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2019-12-01 12:36:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2019-12-01 12:36:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 12:36:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 12:36:35,624 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 12:36:35,624 INFO L287 CfgBuilder]: Removed 26 assume(true) statements. [2019-12-01 12:36:35,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:36:35 BoogieIcfgContainer [2019-12-01 12:36:35,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 12:36:35,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 12:36:35,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 12:36:35,635 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 12:36:35,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:36:35" (1/1) ... [2019-12-01 12:36:35,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 12:36:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2019-12-01 12:36:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2019-12-01 12:36:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 12:36:35,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:36:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2019-12-01 12:36:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-12-01 12:36:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 12:36:35,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:36:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 80 transitions. [2019-12-01 12:36:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2019-12-01 12:36:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 12:36:36,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 12:36:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 87 transitions. [2019-12-01 12:36:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2019-12-01 12:36:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 12:36:36,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:36:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 76 transitions. [2019-12-01 12:36:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2019-12-01 12:36:37,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 12:36:37,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 12:36:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 77 transitions. [2019-12-01 12:36:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2019-12-01 12:36:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 12:36:37,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:36:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:36:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:36:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 90 transitions. [2019-12-01 12:36:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2019-12-01 12:36:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 12:36:38,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:36:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 12:36:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 12:36:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 12:36:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 12:36:38,829 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2019-12-01 12:36:38,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 12:36:38 ImpRootNode [2019-12-01 12:36:38,870 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 12:36:38,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 12:36:38,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 12:36:38,871 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 12:36:38,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:36:35" (3/4) ... [2019-12-01 12:36:38,873 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 12:36:38,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_96a30886-518c-470d-8b00-ffbc8754af7b/bin/ukojak/witness.graphml [2019-12-01 12:36:38,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 12:36:38,937 INFO L168 Benchmark]: Toolchain (without parser) took 4072.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:36:38,937 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:36:38,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-01 12:36:38,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 12:36:38,938 INFO L168 Benchmark]: Boogie Preprocessor took 23.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:36:38,939 INFO L168 Benchmark]: RCFGBuilder took 366.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2019-12-01 12:36:38,939 INFO L168 Benchmark]: CodeCheck took 3244.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -108.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:36:38,940 INFO L168 Benchmark]: Witness Printer took 64.55 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-01 12:36:38,942 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 49 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.1s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1668 SDtfs, 634 SDslu, 464 SDs, 0 SdLazy, 1922 SolverSat, 420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1267 GetRequests, 1194 SyntacticMatches, 23 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 37238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 40/53 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: 655]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L651] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L668] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [\old(size)=8, mutexes={2:0}] [L562] void *ptr = malloc(size); [L564] return ptr; [L668] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={2:0}] [L668] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L669] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [\old(size)=8, mutexes={2:0}] [L562] void *ptr = malloc(size); [L564] return ptr; [L669] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) VAL [mutexes={2:0}] [L669] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L670] CALL mutex_lock(m1) VAL [mutexes={2:0}] [L655] CALL ldv_is_in_set(m, &mutexes) VAL [e={-3:0}, mutexes={2:0}, s={2:0}] [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={2:0}, e={-3:0}, e={-3:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L641] COND FALSE !(&m->list != (s)) [L646] return 0; VAL [\result=0, __mptr={2:0}, e={-3:0}, e={-3:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L655] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={2:0}] [L655] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L622] CALL, EXPR ldv_is_in_set(new, s) VAL [e={-3:0}, mutexes={2:0}, s={2:0}] [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={2:0}, e={-3:0}, e={-3:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L641] COND FALSE !(&m->list != (s)) [L646] return 0; VAL [\result=0, __mptr={2:0}, e={-3:0}, e={-3:0}, m={2:-4}, mutexes={2:0}, s={2:0}, s={2:0}] [L622] RET, EXPR ldv_is_in_set(new, s) VAL [mutexes={2:0}] [L622] COND TRUE !ldv_is_in_set(new, s) [L623] struct ldv_list_element *le; VAL [mutexes={2:0}] [L624] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(size)=12, mutexes={2:0}] [L562] void *ptr = malloc(size); [L564] return ptr; [L624] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [mutexes={2:0}] [L624] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L625] le->e = new [L594] EXPR head->next VAL [mutexes={2:0}] [L594] CALL __ldv_list_add(new, head, head->next) VAL [mutexes={2:0}, new={-1:4}, next={2:0}, prev={2:0}] [L582] next->prev = new [L583] new->next = next [L584] new->prev = prev [L585] prev->next = new [L594] RET __ldv_list_add(new, head, head->next) VAL [mutexes={2:0}] [L670] RET mutex_lock(m1) VAL [mutexes={2:0}] [L671] CALL mutex_lock(m1) VAL [mutexes={2:0}] [L655] CALL ldv_is_in_set(m, &mutexes) VAL [e={-3:0}, mutexes={2:0}, s={2:0}] [L640] struct ldv_list_element *m; [L641] EXPR (s)->next [L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={-1:4}, e={-3:0}, e={-3:0}, m={-1:0}, mutexes={2:0}, s={2:0}, s={2:0}] [L641] COND TRUE &m->list != (s) [L642] EXPR m->e VAL [__mptr={-1:4}, e={-3:0}, e={-3:0}, m={-1:0}, m->e={-3:0}, mutexes={2:0}, s={2:0}, s={2:0}] [L642] COND TRUE m->e == e [L643] return 1; VAL [\result=1, __mptr={-1:4}, e={-3:0}, e={-3:0}, m={-1:0}, mutexes={2:0}, s={2:0}, s={2:0}] [L655] RET ldv_is_in_set(m, &mutexes) VAL [mutexes={2:0}] [L655] COND TRUE ldv_is_in_set(m, &mutexes) [L655] __VERIFIER_error() VAL [mutexes={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 366.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * CodeCheck took 3244.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -108.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 64.55 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...