./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.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_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5363944058b659dbd3bc63f3b9b4bc7dafd036bb .................................................................................................................................................................................................................................................................. 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 [2019-12-07 17:44:17,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:44:17,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:44:17,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:44:17,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:44:18,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:44:18,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:44:18,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:44:18,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:44:18,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:44:18,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:44:18,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:44:18,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:44:18,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:44:18,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:44:18,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:44:18,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:44:18,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:44:18,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:44:18,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:44:18,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:44:18,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:44:18,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:44:18,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:44:18,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:44:18,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:44:18,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:44:18,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:44:18,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:44:18,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:44:18,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:44:18,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:44:18,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:44:18,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:44:18,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:44:18,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:44:18,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:44:18,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:44:18,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:44:18,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:44:18,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:44:18,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:44:18,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:44:18,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:44:18,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:44:18,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:44:18,042 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:44:18,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:44:18,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:44:18,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:44:18,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:44:18,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:44:18,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:44:18,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:44:18,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:44:18,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:44:18,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:44:18,044 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:44:18,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:44:18,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:44:18,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:44:18,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:44:18,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:44:18,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:44:18,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:44:18,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:44:18,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:44:18,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:44:18,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:44:18,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:44:18,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:44:18,047 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_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer 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 -> Automizer 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 -> 5363944058b659dbd3bc63f3b9b4bc7dafd036bb [2019-12-07 17:44:18,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:44:18,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:44:18,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:44:18,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:44:18,164 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:44:18,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/../../sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2019-12-07 17:44:18,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/data/16d571738/1896ee23caf44692bed7cd225a366c87/FLAG75d269398 [2019-12-07 17:44:18,651 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:44:18,652 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2019-12-07 17:44:18,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/data/16d571738/1896ee23caf44692bed7cd225a366c87/FLAG75d269398 [2019-12-07 17:44:18,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/data/16d571738/1896ee23caf44692bed7cd225a366c87 [2019-12-07 17:44:18,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:44:18,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:44:18,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:44:18,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:44:18,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:44:18,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:44:18" (1/1) ... [2019-12-07 17:44:18,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669bfa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:18, skipping insertion in model container [2019-12-07 17:44:18,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:44:18" (1/1) ... [2019-12-07 17:44:18,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:44:18,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:44:18,838 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-07 17:44:18,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:44:18,941 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:44:18,951 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-07 17:44:18,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:44:19,016 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:44:19,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19 WrapperNode [2019-12-07 17:44:19,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:44:19,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:44:19,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:44:19,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:44:19,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:44:19,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:44:19,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:44:19,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:44:19,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... [2019-12-07 17:44:19,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:44:19,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:44:19,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:44:19,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:44:19,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-12-07 17:44:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:44:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:44:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 17:44:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:44:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:44:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:44:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-12-07 17:44:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-12-07 17:44:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:44:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:44:19,113 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 17:44:19,281 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:44:19,281 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 17:44:19,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:44:19 BoogieIcfgContainer [2019-12-07 17:44:19,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:44:19,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:44:19,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:44:19,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:44:19,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:44:18" (1/3) ... [2019-12-07 17:44:19,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680ff321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:44:19, skipping insertion in model container [2019-12-07 17:44:19,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:19" (2/3) ... [2019-12-07 17:44:19,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680ff321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:44:19, skipping insertion in model container [2019-12-07 17:44:19,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:44:19" (3/3) ... [2019-12-07 17:44:19,288 INFO L109 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2019-12-07 17:44:19,294 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 17:44:19,295 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:44:19,298 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:44:19,299 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 17:44:19,314 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,314 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,315 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,315 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,315 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,315 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,315 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,315 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,316 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,316 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:44:19,330 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:44:19,342 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:44:19,342 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:44:19,342 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:44:19,342 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:44:19,342 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:44:19,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:44:19,342 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:44:19,343 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:44:19,351 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 55 transitions [2019-12-07 17:44:19,352 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 56 places, 55 transitions [2019-12-07 17:44:19,377 INFO L134 PetriNetUnfolder]: 3/54 cut-off events. [2019-12-07 17:44:19,377 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:44:19,381 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 54 events. 3/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs. 6/56 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2019-12-07 17:44:19,382 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 56 places, 55 transitions [2019-12-07 17:44:19,392 INFO L134 PetriNetUnfolder]: 3/54 cut-off events. [2019-12-07 17:44:19,393 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:44:19,393 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 54 events. 3/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs. 6/56 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2019-12-07 17:44:19,394 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 260 [2019-12-07 17:44:19,395 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 17:44:20,401 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-12-07 17:44:20,505 INFO L206 etLargeBlockEncoding]: Checked pairs total: 212 [2019-12-07 17:44:20,505 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-07 17:44:20,508 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions [2019-12-07 17:44:20,515 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13 states. [2019-12-07 17:44:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-12-07 17:44:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 17:44:20,521 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:20,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 17:44:20,522 INFO L410 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:20,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:20,526 INFO L82 PathProgramCache]: Analyzing trace with hash 215854, now seen corresponding path program 1 times [2019-12-07 17:44:20,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:20,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275028862] [2019-12-07 17:44:20,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:44:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:44:20,653 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:44:20,653 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:44:20,656 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [189] [189] ULTIMATE.startENTRY-->L701-1: Formula: (let ((.cse3 (store |v_#valid_41| 0 0))) (let ((.cse4 (store .cse3 |v_~#lock~0.base_34| 1))) (let ((.cse2 (store .cse4 |v_~#cond~0.base_21| 1)) (.cse0 (select |v_#memory_int_41| |v_~#lock~0.base_34|)) (.cse1 (select |v_#memory_int_41| |v_~#cond~0.base_21|))) (and (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 12))) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 16))) (= (store |v_#pthreadsMutex_43| |v_~#lock~0.base_34| (store (select |v_#pthreadsMutex_43| |v_~#lock~0.base_34|) |v_~#lock~0.offset_34| 0)) |v_#pthreadsMutex_42|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 24))) (= |v_ULTIMATE.start_main_~#t~0.offset_18| 0) (= 0 (select .cse2 |v_ULTIMATE.start_main_~#t~0.base_20|)) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 8))) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 12))) (= (store |v_#memory_int_41| |v_ULTIMATE.start_main_~#t~0.base_20| (store (select |v_#memory_int_41| |v_ULTIMATE.start_main_~#t~0.base_20|) |v_ULTIMATE.start_main_~#t~0.offset_18| 0)) |v_#memory_int_40|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 4))) (= (select .cse0 |v_~#lock~0.offset_34|) 0) (= |v_#length_28| (store (store (store |v_#length_30| |v_~#lock~0.base_34| 24) |v_~#cond~0.base_21| 48) |v_ULTIMATE.start_main_~#t~0.base_20| 4)) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 16))) (= (select .cse3 |v_~#lock~0.base_34|) 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_~#cond~0.offset_21|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 20))) (= |v_#valid_39| (store .cse2 |v_ULTIMATE.start_main_~#t~0.base_20| 1)) (= 0 (select .cse4 |v_~#cond~0.base_21|)) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t~0.base_20|) (< |v_#StackHeapBarrier_15| |v_~#lock~0.base_34|) (= |v_#NULL.offset_5| 0) (= v_~x~0_34 0) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 4))) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 8))) (< |v_#StackHeapBarrier_15| |v_~#cond~0.base_21|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 28))) (= 0 |v_~#lock~0.offset_34|) (= (select .cse1 |v_~#cond~0.offset_21|) 0) (= 0 |v_#NULL.base_5|))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_43|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_41|, #length=|v_#length_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_42|, ~#lock~0.base=|v_~#lock~0.base_34|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_8|, ~#cond~0.offset=|v_~#cond~0.offset_21|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_29, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_18|, ULTIMATE.start_main_#t~post6=|v_ULTIMATE.start_main_#t~post6_23|, #NULL.base=|v_#NULL.base_5|, ~#cond~0.base=|v_~#cond~0.base_21|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#t~mem7=|v_ULTIMATE.start_main_#t~mem7_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_10|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_40|, ~#lock~0.offset=|v_~#lock~0.offset_34|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_20|, #length=|v_#length_28|, ~x~0=v_~x~0_34} AuxVars[] AssignedVars[#pthreadsMutex, ~#lock~0.base, ULTIMATE.start_main_#t~nondet5, ~#cond~0.offset, #NULL.offset, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~#t~0.offset, ULTIMATE.start_main_#t~post6, #NULL.base, ~#cond~0.base, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, ~#lock~0.offset, ULTIMATE.start_main_~#t~0.base, #length, ~x~0] because there is no mapped edge [2019-12-07 17:44:20,656 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [187] [187] threadENTRY-->threadErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (let ((.cse0 (select |v_#pthreadsMutex_39| |v_~#lock~0.base_32|))) (and (not (= v_~x~0_32 42)) (= |v_threadThread1of1ForFork0_#in~arg.offset_7| v_threadThread1of1ForFork0_~arg.offset_5) (= v_threadThread1of1ForFork0_~arg.base_5 |v_threadThread1of1ForFork0_#in~arg.base_7|) (= (store |v_#pthreadsMutex_39| |v_~#lock~0.base_32| (store .cse0 |v_~#lock~0.offset_32| 1)) |v_#pthreadsMutex_38|) (= (select .cse0 |v_~#lock~0.offset_32|) 0))) InVars {threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_39|, ~#lock~0.base=|v_~#lock~0.base_32|, ~#lock~0.offset=|v_~#lock~0.offset_32|, ~x~0=v_~x~0_32, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_7|} OutVars{threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_38|, threadThread1of1ForFork0_~arg.base=v_threadThread1of1ForFork0_~arg.base_5, ~#lock~0.base=|v_~#lock~0.base_32|, threadThread1of1ForFork0_~arg.offset=v_threadThread1of1ForFork0_~arg.offset_5, threadThread1of1ForFork0_#t~nondet4=|v_threadThread1of1ForFork0_#t~nondet4_20|, ~#lock~0.offset=|v_~#lock~0.offset_32|, threadThread1of1ForFork0_#t~nondet3=|v_threadThread1of1ForFork0_#t~nondet3_9|, ~x~0=v_~x~0_32, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_7|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread1of1ForFork0_~arg.base, threadThread1of1ForFork0_~arg.offset, threadThread1of1ForFork0_#t~nondet4, threadThread1of1ForFork0_#t~nondet3] because there is no mapped edge [2019-12-07 17:44:20,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:44:20 BasicIcfg [2019-12-07 17:44:20,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:44:20,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:44:20,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:44:20,665 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:44:20,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:44:19" (3/4) ... [2019-12-07 17:44:20,666 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:44:20,667 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [189] [189] ULTIMATE.startENTRY-->L701-1: Formula: (let ((.cse3 (store |v_#valid_41| 0 0))) (let ((.cse4 (store .cse3 |v_~#lock~0.base_34| 1))) (let ((.cse2 (store .cse4 |v_~#cond~0.base_21| 1)) (.cse0 (select |v_#memory_int_41| |v_~#lock~0.base_34|)) (.cse1 (select |v_#memory_int_41| |v_~#cond~0.base_21|))) (and (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 12))) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 16))) (= (store |v_#pthreadsMutex_43| |v_~#lock~0.base_34| (store (select |v_#pthreadsMutex_43| |v_~#lock~0.base_34|) |v_~#lock~0.offset_34| 0)) |v_#pthreadsMutex_42|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 24))) (= |v_ULTIMATE.start_main_~#t~0.offset_18| 0) (= 0 (select .cse2 |v_ULTIMATE.start_main_~#t~0.base_20|)) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 8))) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 12))) (= (store |v_#memory_int_41| |v_ULTIMATE.start_main_~#t~0.base_20| (store (select |v_#memory_int_41| |v_ULTIMATE.start_main_~#t~0.base_20|) |v_ULTIMATE.start_main_~#t~0.offset_18| 0)) |v_#memory_int_40|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 4))) (= (select .cse0 |v_~#lock~0.offset_34|) 0) (= |v_#length_28| (store (store (store |v_#length_30| |v_~#lock~0.base_34| 24) |v_~#cond~0.base_21| 48) |v_ULTIMATE.start_main_~#t~0.base_20| 4)) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 16))) (= (select .cse3 |v_~#lock~0.base_34|) 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_~#cond~0.offset_21|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 20))) (= |v_#valid_39| (store .cse2 |v_ULTIMATE.start_main_~#t~0.base_20| 1)) (= 0 (select .cse4 |v_~#cond~0.base_21|)) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t~0.base_20|) (< |v_#StackHeapBarrier_15| |v_~#lock~0.base_34|) (= |v_#NULL.offset_5| 0) (= v_~x~0_34 0) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 4))) (= 0 (select .cse0 (+ |v_~#lock~0.offset_34| 8))) (< |v_#StackHeapBarrier_15| |v_~#cond~0.base_21|) (= 0 (select .cse1 (+ |v_~#cond~0.offset_21| 28))) (= 0 |v_~#lock~0.offset_34|) (= (select .cse1 |v_~#cond~0.offset_21|) 0) (= 0 |v_#NULL.base_5|))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_43|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_41|, #length=|v_#length_30|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_42|, ~#lock~0.base=|v_~#lock~0.base_34|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_8|, ~#cond~0.offset=|v_~#cond~0.offset_21|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_29, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_18|, ULTIMATE.start_main_#t~post6=|v_ULTIMATE.start_main_#t~post6_23|, #NULL.base=|v_#NULL.base_5|, ~#cond~0.base=|v_~#cond~0.base_21|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#t~mem7=|v_ULTIMATE.start_main_#t~mem7_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_10|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_40|, ~#lock~0.offset=|v_~#lock~0.offset_34|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_20|, #length=|v_#length_28|, ~x~0=v_~x~0_34} AuxVars[] AssignedVars[#pthreadsMutex, ~#lock~0.base, ULTIMATE.start_main_#t~nondet5, ~#cond~0.offset, #NULL.offset, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~#t~0.offset, ULTIMATE.start_main_#t~post6, #NULL.base, ~#cond~0.base, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#res, #valid, #memory_int, ~#lock~0.offset, ULTIMATE.start_main_~#t~0.base, #length, ~x~0] because there is no mapped edge [2019-12-07 17:44:20,667 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [187] [187] threadENTRY-->threadErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (let ((.cse0 (select |v_#pthreadsMutex_39| |v_~#lock~0.base_32|))) (and (not (= v_~x~0_32 42)) (= |v_threadThread1of1ForFork0_#in~arg.offset_7| v_threadThread1of1ForFork0_~arg.offset_5) (= v_threadThread1of1ForFork0_~arg.base_5 |v_threadThread1of1ForFork0_#in~arg.base_7|) (= (store |v_#pthreadsMutex_39| |v_~#lock~0.base_32| (store .cse0 |v_~#lock~0.offset_32| 1)) |v_#pthreadsMutex_38|) (= (select .cse0 |v_~#lock~0.offset_32|) 0))) InVars {threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_39|, ~#lock~0.base=|v_~#lock~0.base_32|, ~#lock~0.offset=|v_~#lock~0.offset_32|, ~x~0=v_~x~0_32, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_7|} OutVars{threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_38|, threadThread1of1ForFork0_~arg.base=v_threadThread1of1ForFork0_~arg.base_5, ~#lock~0.base=|v_~#lock~0.base_32|, threadThread1of1ForFork0_~arg.offset=v_threadThread1of1ForFork0_~arg.offset_5, threadThread1of1ForFork0_#t~nondet4=|v_threadThread1of1ForFork0_#t~nondet4_20|, ~#lock~0.offset=|v_~#lock~0.offset_32|, threadThread1of1ForFork0_#t~nondet3=|v_threadThread1of1ForFork0_#t~nondet3_9|, ~x~0=v_~x~0_32, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_7|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread1of1ForFork0_~arg.base, threadThread1of1ForFork0_~arg.offset, threadThread1of1ForFork0_#t~nondet4, threadThread1of1ForFork0_#t~nondet3] because there is no mapped edge [2019-12-07 17:44:20,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b7d3efb3-0025-4808-8ae3-1b8f11c5ffea/bin/uautomizer/witness.graphml [2019-12-07 17:44:20,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:44:20,691 INFO L168 Benchmark]: Toolchain (without parser) took 2018.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:44:20,692 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-12-07 17:44:20,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:20,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.67 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. [2019-12-07 17:44:20,693 INFO L168 Benchmark]: Boogie Preprocessor took 18.66 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. [2019-12-07 17:44:20,693 INFO L168 Benchmark]: RCFGBuilder took 215.50 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:20,693 INFO L168 Benchmark]: TraceAbstraction took 1381.53 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: -31.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:44:20,694 INFO L168 Benchmark]: Witness Printer took 25.60 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:20,696 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 343.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.67 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 18.66 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 215.50 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1381.53 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: -31.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 25.60 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 56 ProgramPointsBefore, 12 ProgramPointsAfterwards, 55 TransitionsBefore, 10 TransitionsAfterwards, 260 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 136 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 212 CheckedPairsTotal, 49 TotalNumberOfCompositions - CounterExampleResult [Line: 693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L701] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={3:0}, lock={5:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...