./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/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 3d5d738785469032c070cabc60204008ea544832 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/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 3d5d738785469032c070cabc60204008ea544832 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:19:09,905 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:19:09,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:19:09,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:19:09,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:19:09,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:19:09,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:19:09,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:19:09,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:19:09,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:19:09,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:19:09,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:19:09,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:19:09,918 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:19:09,919 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:19:09,919 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:19:09,920 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:19:09,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:19:09,922 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:19:09,922 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:19:09,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:19:09,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:19:09,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:19:09,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:19:09,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:19:09,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:19:09,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:19:09,926 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:19:09,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:19:09,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:19:09,928 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:19:09,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:19:09,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:19:09,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:19:09,929 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:19:09,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:19:09,929 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 04:19:09,936 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:19:09,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:19:09,937 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:19:09,937 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:19:09,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:19:09,937 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:19:09,938 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:19:09,938 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:19:09,938 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:19:09,938 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:19:09,938 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:19:09,938 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:19:09,938 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:19:09,939 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:19:09,939 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:19:09,939 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:19:09,939 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:19:09,939 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:19:09,939 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:19:09,939 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:19:09,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:19:09,940 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:19:09,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:19:09,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:19:09,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:19:09,940 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:19:09,940 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:19:09,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:19:09,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:19:09,941 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_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/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 -> 3d5d738785469032c070cabc60204008ea544832 [2018-11-10 04:19:09,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:19:09,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:19:09,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:19:09,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:19:09,981 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:19:09,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-10 04:19:10,025 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/b22763cfa/010fd1986cde406caf630773e0bec06a/FLAG5a20708d9 [2018-11-10 04:19:10,461 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:19:10,462 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-10 04:19:10,470 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/b22763cfa/010fd1986cde406caf630773e0bec06a/FLAG5a20708d9 [2018-11-10 04:19:10,480 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/b22763cfa/010fd1986cde406caf630773e0bec06a [2018-11-10 04:19:10,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:19:10,482 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:19:10,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:10,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:19:10,485 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:19:10,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584d7dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10, skipping insertion in model container [2018-11-10 04:19:10,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:19:10,521 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:19:10,712 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:10,716 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:19:10,749 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:10,782 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:19:10,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10 WrapperNode [2018-11-10 04:19:10,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:10,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:19:10,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:19:10,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:19:10,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... [2018-11-10 04:19:10,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:19:10,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:19:10,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:19:10,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:19:10,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/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 [2018-11-10 04:19:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:19:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:19:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 04:19:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-10 04:19:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:19:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 04:19:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-10 04:19:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-10 04:19:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-10 04:19:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-10 04:19:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-10 04:19:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-10 04:19:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-10 04:19:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-10 04:19:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-10 04:19:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-10 04:19:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-10 04:19:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-10 04:19:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-10 04:19:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-10 04:19:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-10 04:19:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-10 04:19:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:19:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:19:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:19:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 04:19:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:19:10,929 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 04:19:11,274 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:19:11,293 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,293 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,294 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,294 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,294 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,294 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,295 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,295 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:11,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:11 BasicIcfg [2018-11-10 04:19:11,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:19:11,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:19:11,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:19:11,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:19:11,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:19:10" (1/3) ... [2018-11-10 04:19:11,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0b3011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:19:11, skipping insertion in model container [2018-11-10 04:19:11,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:10" (2/3) ... [2018-11-10 04:19:11,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0b3011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:19:11, skipping insertion in model container [2018-11-10 04:19:11,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:11" (3/3) ... [2018-11-10 04:19:11,313 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski_true-unreach-call.i_BEv2 [2018-11-10 04:19:11,321 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:19:11,329 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-10 04:19:11,341 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-10 04:19:11,364 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:19:11,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:19:11,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:19:11,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:19:11,365 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:19:11,365 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:19:11,365 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:19:11,365 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:19:11,365 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:19:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-11-10 04:19:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:19:11,378 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:19:11,378 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:19:11,380 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1INUSE_VIOLATION, mainErr0INUSE_VIOLATION]=== [2018-11-10 04:19:11,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:19:11,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1656609391, now seen corresponding path program 1 times [2018-11-10 04:19:11,387 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:19:11,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:19:11,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:19:11,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:19:11,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:19:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:11,495 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:19:11,499 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [335] [335] L670-1-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-11-10 04:19:11,506 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-11-10 04:19:11,507 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-11-10 04:19:11,507 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-11-10 04:19:11,508 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-11-10 04:19:11,508 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-11-10 04:19:11,508 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-11-10 04:19:11,508 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-11-10 04:19:11,508 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-11-10 04:19:11,508 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-11-10 04:19:11,509 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-11-10 04:19:11,509 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-11-10 04:19:11,509 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-11-10 04:19:11,509 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-11-10 04:19:11,509 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-11-10 04:19:11,509 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-11-10 04:19:11,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-11-10 04:19:11,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-11-10 04:19:11,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-11-10 04:19:11,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-11-10 04:19:11,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-11-10 04:19:11,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-11-10 04:19:11,510 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-11-10 04:19:11,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-11-10 04:19:11,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-11-10 04:19:11,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-11-10 04:19:11,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-11-10 04:19:11,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-11-10 04:19:11,511 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-11-10 04:19:11,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-11-10 04:19:11,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-11-10 04:19:11,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-11-10 04:19:11,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-11-10 04:19:11,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-11-10 04:19:11,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-11-10 04:19:11,512 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-11-10 04:19:11,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-11-10 04:19:11,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-11-10 04:19:11,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-11-10 04:19:11,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-11-10 04:19:11,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-11-10 04:19:11,513 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-11-10 04:19:11,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-11-10 04:19:11,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-11-10 04:19:11,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-11-10 04:19:11,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-11-10 04:19:11,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-11-10 04:19:11,514 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-11-10 04:19:11,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-11-10 04:19:11,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-11-10 04:19:11,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-11-10 04:19:11,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-11-10 04:19:11,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-11-10 04:19:11,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-11-10 04:19:11,515 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-11-10 04:19:11,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-11-10 04:19:11,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-11-10 04:19:11,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-11-10 04:19:11,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-11-10 04:19:11,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-11-10 04:19:11,516 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-11-10 04:19:11,524 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-10 04:19:11,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:19:11 BasicIcfg [2018-11-10 04:19:11,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:19:11,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:19:11,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:19:11,529 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:19:11,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:11" (3/4) ... [2018-11-10 04:19:11,531 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:19:11,532 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 04:19:11,533 INFO L168 Benchmark]: Toolchain (without parser) took 1051.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -87.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:11,534 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:11,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.58 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:11,535 INFO L168 Benchmark]: Boogie Preprocessor took 92.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:11,536 INFO L168 Benchmark]: RCFGBuilder took 433.72 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:11,536 INFO L168 Benchmark]: TraceAbstraction took 218.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:11,537 INFO L168 Benchmark]: Witness Printer took 3.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:11,539 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.58 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 433.72 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 218.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 669]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=15, \old(flag2)=8, \old(x)=11, flag1=0, flag2=0, freshIdentifier25=13, freshIdentifier26=12, freshIdentifier27=6, freshIdentifier28=7, freshIdentifier29=0, freshIdentifier30=1, x=11] [L636] int x; VAL [\old(flag1)=15, \old(flag2)=8, \old(x)=11, flag1=0, flag2=0, freshIdentifier31=13, freshIdentifier32=12, freshIdentifier33=6, freshIdentifier34=7, freshIdentifier35=0, freshIdentifier36=1, x=0] [L670] FCALL pthread_t t1, t2; VAL [\old(flag1)=0, \old(flag2)=0, \old(x)=0, flag1=0, flag2=0, freshIdentifier55=13, freshIdentifier56=12, freshIdentifier57=6, freshIdentifier58=7, freshIdentifier59=0, freshIdentifier60=1, t1={9:0}, t2={10:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 120 locations, 6 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:19:12,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:19:12,924 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:19:12,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:19:12,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:19:12,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:19:12,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:19:12,934 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:19:12,935 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:19:12,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:19:12,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:19:12,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:19:12,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:19:12,937 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:19:12,938 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:19:12,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:19:12,939 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:19:12,940 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:19:12,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:19:12,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:19:12,943 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:19:12,944 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:19:12,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:19:12,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:19:12,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:19:12,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:19:12,948 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:19:12,948 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:19:12,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:19:12,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:19:12,950 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:19:12,950 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:19:12,950 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:19:12,950 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:19:12,951 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:19:12,951 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:19:12,952 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 04:19:12,962 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:19:12,962 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:19:12,963 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:19:12,963 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:19:12,963 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:19:12,963 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:19:12,964 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:19:12,964 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:19:12,964 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:19:12,964 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:19:12,964 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:19:12,964 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:19:12,964 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:19:12,965 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:19:12,965 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:19:12,965 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:19:12,965 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:19:12,965 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:19:12,965 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:19:12,965 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:19:12,965 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:19:12,966 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:19:12,966 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:19:12,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:19:12,966 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:19:12,966 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:19:12,966 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:19:12,966 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 04:19:12,967 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:19:12,967 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:19:12,967 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:19:12,967 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_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/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 -> 3d5d738785469032c070cabc60204008ea544832 [2018-11-10 04:19:12,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:19:13,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:19:13,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:19:13,008 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:19:13,008 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:19:13,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-10 04:19:13,044 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/0bd4a7482/84fd6d2a03314578b46b260bc4ad230d/FLAG2b5783403 [2018-11-10 04:19:13,479 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:19:13,480 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-10 04:19:13,492 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/0bd4a7482/84fd6d2a03314578b46b260bc4ad230d/FLAG2b5783403 [2018-11-10 04:19:13,501 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/data/0bd4a7482/84fd6d2a03314578b46b260bc4ad230d [2018-11-10 04:19:13,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:19:13,504 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:19:13,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:13,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:19:13,508 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:19:13,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209b0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13, skipping insertion in model container [2018-11-10 04:19:13,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:19:13,548 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:19:13,768 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:13,773 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:19:13,809 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:13,864 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:19:13,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13 WrapperNode [2018-11-10 04:19:13,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:13,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:19:13,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:19:13,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:19:13,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... [2018-11-10 04:19:13,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:19:13,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:19:13,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:19:13,952 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:19:13,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/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 [2018-11-10 04:19:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:19:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:19:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 04:19:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-10 04:19:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:19:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 04:19:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-10 04:19:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-10 04:19:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-10 04:19:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-10 04:19:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-10 04:19:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-10 04:19:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-10 04:19:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-10 04:19:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-10 04:19:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-10 04:19:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-10 04:19:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-10 04:19:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-10 04:19:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-10 04:19:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-10 04:19:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-10 04:19:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-10 04:19:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-10 04:19:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-10 04:19:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-10 04:19:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-10 04:19:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-10 04:19:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-10 04:19:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-10 04:19:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-10 04:19:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-10 04:19:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-10 04:19:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-10 04:19:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-10 04:19:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-10 04:19:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-10 04:19:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:19:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:19:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 04:19:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 04:19:14,004 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 04:19:14,323 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:19:14,341 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,342 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,342 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,343 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:19:14,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:14 BasicIcfg [2018-11-10 04:19:14,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:19:14,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:19:14,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:19:14,361 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:19:14,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:19:13" (1/3) ... [2018-11-10 04:19:14,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edcd093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:19:14, skipping insertion in model container [2018-11-10 04:19:14,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:13" (2/3) ... [2018-11-10 04:19:14,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edcd093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:19:14, skipping insertion in model container [2018-11-10 04:19:14,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:14" (3/3) ... [2018-11-10 04:19:14,363 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski_true-unreach-call.i_BEv2 [2018-11-10 04:19:14,369 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:19:14,374 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-10 04:19:14,383 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-10 04:19:14,405 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:19:14,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:19:14,406 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:19:14,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:19:14,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:19:14,407 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:19:14,407 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:19:14,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:19:14,407 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:19:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-11-10 04:19:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:19:14,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:19:14,421 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:19:14,422 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1INUSE_VIOLATION, mainErr0INUSE_VIOLATION]=== [2018-11-10 04:19:14,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:19:14,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1656609391, now seen corresponding path program 1 times [2018-11-10 04:19:14,427 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:19:14,428 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0b0fb5-3a79-43a9-b2d7-6d982f484a33/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:19:14,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:19:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:14,533 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:19:14,537 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [335] [335] L670-1-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-11-10 04:19:14,544 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-11-10 04:19:14,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-11-10 04:19:14,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-11-10 04:19:14,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-11-10 04:19:14,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-11-10 04:19:14,546 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-11-10 04:19:14,546 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-11-10 04:19:14,546 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-11-10 04:19:14,546 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-11-10 04:19:14,547 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-11-10 04:19:14,547 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-11-10 04:19:14,547 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-11-10 04:19:14,547 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-11-10 04:19:14,547 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-11-10 04:19:14,547 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-11-10 04:19:14,548 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-11-10 04:19:14,548 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-11-10 04:19:14,548 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-11-10 04:19:14,548 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-11-10 04:19:14,548 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-11-10 04:19:14,549 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-11-10 04:19:14,549 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-11-10 04:19:14,549 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-11-10 04:19:14,549 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-11-10 04:19:14,549 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-11-10 04:19:14,549 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-11-10 04:19:14,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-11-10 04:19:14,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-11-10 04:19:14,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-11-10 04:19:14,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-11-10 04:19:14,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] [2018-11-10 04:19:14,551 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] [2018-11-10 04:19:14,551 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] [2018-11-10 04:19:14,551 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] [2018-11-10 04:19:14,551 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] [2018-11-10 04:19:14,551 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] [2018-11-10 04:19:14,552 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] [2018-11-10 04:19:14,552 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] [2018-11-10 04:19:14,552 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] [2018-11-10 04:19:14,552 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] [2018-11-10 04:19:14,552 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] [2018-11-10 04:19:14,552 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] [2018-11-10 04:19:14,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] [2018-11-10 04:19:14,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] [2018-11-10 04:19:14,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] [2018-11-10 04:19:14,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] [2018-11-10 04:19:14,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] [2018-11-10 04:19:14,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] [2018-11-10 04:19:14,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] [2018-11-10 04:19:14,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] [2018-11-10 04:19:14,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] [2018-11-10 04:19:14,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] [2018-11-10 04:19:14,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] [2018-11-10 04:19:14,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] [2018-11-10 04:19:14,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] [2018-11-10 04:19:14,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] [2018-11-10 04:19:14,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] [2018-11-10 04:19:14,556 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] [2018-11-10 04:19:14,556 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] [2018-11-10 04:19:14,556 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] [2018-11-10 04:19:14,564 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-10 04:19:14,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:19:14 BasicIcfg [2018-11-10 04:19:14,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:19:14,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:19:14,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:19:14,568 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:19:14,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:14" (3/4) ... [2018-11-10 04:19:14,570 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:19:14,571 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 04:19:14,573 INFO L168 Benchmark]: Toolchain (without parser) took 1069.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -70.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:14,575 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:14,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:14,576 INFO L168 Benchmark]: Boogie Preprocessor took 85.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:14,577 INFO L168 Benchmark]: RCFGBuilder took 407.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:14,577 INFO L168 Benchmark]: TraceAbstraction took 207.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:14,577 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:14,580 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 407.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 207.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier39,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier41,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier40,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier37,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier47,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier46,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier53,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier49,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier50,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier51,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier59,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier58,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier60,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 669]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=11, \old(flag2)=13, \old(x)=12, flag1=0, flag2=0, freshIdentifier25=5, freshIdentifier26=10, freshIdentifier27=6, freshIdentifier28=7, freshIdentifier29=0, freshIdentifier30=1, x=12] [L636] int x; VAL [\old(flag1)=11, \old(flag2)=13, \old(x)=12, flag1=0, flag2=0, freshIdentifier31=5, freshIdentifier32=10, freshIdentifier33=6, freshIdentifier34=7, freshIdentifier35=0, freshIdentifier36=1, x=0] [L670] FCALL pthread_t t1, t2; VAL [\old(flag1)=0, \old(flag2)=0, \old(x)=0, flag1=0, flag2=0, freshIdentifier55=5, freshIdentifier56=10, freshIdentifier57=6, freshIdentifier58=7, freshIdentifier59=0, freshIdentifier60=1, t1={14:0}, t2={15:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 120 locations, 6 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...